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Marion to St. Louis Flight Distance

Williamson County Regional Airport (MWA) to St Louis Lambert International Airport (STL)

Short HaulNorthwest (313°)Direct flights available
Primary sources · 6
  1. [1] Vincenty (1975)Direct and Inverse Solutions of Geodesics on the Ellipsoid — the iterative formula used for distance · Survey Review XXIII (176), pp. 88–93 · April 1975 https://www.ngs.noaa.gov/PUBS_LIB/inverse.pdf
  2. [2] NGA.STND.0036_1.0.0_WGS84WGS-84 reference ellipsoid (a = 6,378,137 m, 1/f = 298.257223563) · NGA Standard · July 2014 https://earth-info.nga.mil/index.php?dir=wgs84&action=wgs84
  3. [3] DESNZ 2024 conversion factorsPer-km kg CO₂e factors for the three distance bands and four cabin classes · UK Department for Energy Security and Net Zero · June 2024 https://www.gov.uk/government/publications/greenhouse-gas-reporting-conversion-factors-2024
  4. [4] Lee et al. (2021)Effective radiative forcing of aviation — the science behind the 1.9 × CO₂ → CO₂e uplift · Atmospheric Environment 244, 117834 · January 2021 https://doi.org/10.1016/j.atmosenv.2020.117834
  5. [5] OpenFlightsAirport coordinates and IATA codes · openflights.org/data.php · Community-maintained https://openflights.org/data.php
  6. [6] Sack (2010)Jet-lag review — clinical chronobiology and asymmetric recovery rates · New England Journal of Medicine 362:440 · February 2010 https://www.nejm.org/doi/full/10.1056/NEJMcp0909838

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101
Miles
162
Kilometers
88
Nautical miles
0h 41m
Flight time
Route Distance Scale162 km of 18,000 km max
0Short <1,500kmMedium <4,000kmLong <12,000kmUltra-Long

Your Route Summary

MWA
Origin
Williamson County Regional Airport
Marion, United States
37.7550°, -89.0111°
STL
Destination
St Louis Lambert International Airport
St. Louis, United States
38.7487°, -90.3700°

What This Means For Your Trip

Flight Duration: At 101 miles, this short-haul flight will take approximately 0h 41m. This is a relatively quick flight where you may not even need entertainment.

Time Adjustment: St. Louis is 0 hours ahead of Marion. You should experience minimal jet lag.

Environmental Impact: An economy class seat produces approximately 41 kg of CO2. This is relatively low for air travel.

Flight Options: 1 airline serves this route, giving you options for schedule and price comparison.

Complete Flight Analysis

MetricValueCategory / Reference
Distance (Miles)101 miPrimary frequent flyer unit
Distance (Kilometers)162 kmInternational standard
Distance (Nautical Miles)88 nmAviation standard
Flight Time0h 41mBased on 850 km/h cruise + ground time
Route ClassificationSHORT HAULShort-haul flight (under 1,500 km)
Flight Direction313° NWNorthwest
Cruising Altitude25,000 ftFL250 (7,620 m)
Time Difference+0hJet lag: none
CO2 (Economy)41 kgDEFRA 2024 factors
CO2 (Business)120 kg2.9x economy
CO2 (First Class)165 kg4x economy
Trees to Offset4Economy class, per passenger
Fuel per Passenger5 L~900 L total (180 pax)
Operating Airlines1Direct flights available

Tips for This Route

Book Early
Book 3-6 weeks ahead for competitive fares on this route.
Best Window Seat
Choose the right side for views with less sun glare on this northwest flight.
Adjust Your Clock
Minimal time change—no special preparation needed.
Pack Smart
Short flight—light carry-on with essentials is sufficient.
Offset Your Impact
Consider offsetting 41 kg CO2 through verified programs—equivalent to planting 4 trees.
Compare Prices
Check multiple booking sites and set price alerts for the best fares.
MWA
DEPARTURE

Williamson County Regional Airport

Marion, United States

IATA / ICAO
MWA / KMWA
Elevation
472 ft (144 m)
Local Time
01:55 PM
GMT-5
Coordinates
37.7550°, -89.0111°
View full airport details
STL
ARRIVAL+0h from departure

St Louis Lambert International Airport

St. Louis, United States

IATA / ICAO
STL / KSTL
Elevation
618 ft (188 m)
Local Time
01:55 PM
GMT-5
Coordinates
38.7487°, -90.3700°
View full airport details

Airlines Flying This Route

1 airline operate flights between Marion and St. Louis.

9K
Cape Air
United States

Flight Details

Cruising Altitude
25,000 ft (7,620 m)
FL250
Flight Direction
Northwest
Initial bearing: 313°
Route Type
Short-haul flight (under 1,500 km)
Typical Aircraft
Airbus A320Boeing 737Embraer E190
Fuel Consumption
5 L per passenger
~900 L total (180 passengers)
Geographic Context
Route stays within the Northern Hemisphere
Both airports are in the Northern Hemisphere. Both airports are in the Western Hemisphere.

Flight Midpoint

The geographic midpoint of this flight is located at:

Latitude
38° 15' 13.7" N
38.2538°
Longitude
89° 41' 9.3" W
-89.6859°
Halfway Point
51 mi
21 min into flight

Carbon Emissions by Cabin Class

CO2 emissions vary by cabin class due to seat space allocation. Based on DEFRA 2024 emission factors.

Economy
41 kg
CO2e: 78 kg
Premium Economy
66 kg
CO2e: 126 kg
Business
120 kg
CO2e: 228 kg
First Class
165 kg
CO2e: 314 kg
Carbon Offset
To offset an economy class seat, plant approximately 4 trees.Equivalent to driving 374 km by car

Jet Lag & Travel Tips

Jet Lag Severity
none
Time Zone Change
0 hours
Flying noneward
Tips for This Journey
  • Minimal time difference - jet lag unlikely

Seat Recommendations

Best Window for Views
right Side
Sun will be on the left (south) side during daytime
Recommendation
Right window for views away from sun glare, left for warmth

Distance in Perspective

1
0.4% of Earth's circumference
2
About the distance from London to Paris (344 km)
3
0.1 hours at the speed of sound

Distance & Speed Reference

MeasurementValue
Statute Miles101 mi
Kilometers162 km
Nautical Miles88 nm
Meters162,000 m
Feet533,280 ft
Flight Time (850 km/h)0h 41m
Driving Time (80 km/h avg)2 hours

Travel Speed Comparison

How long would it take to cover the 162 km between Marion and St. Louis at different speeds?

ModeSpeedTime
Commercial Jet850 km/h0h 41m
Turboprop Aircraft500 km/h0h 19m
Bullet Train320 km/h0h 30m
Car (highway)100 km/h1h 37m
Walking5 km/h32h (1 days)
Speed of Sound1,235 km/h0h 8m

Round Trip Summary

202
total miles
324
total km
1h 22m
total flight time
82
kg CO2 (economy)
View Return Flight: STL to MWA

Quick Facts

Distance101 mi
Flight Time0h 41m
Route Typeshort haul
DirectionNW
AltitudeFL250
Time Diff+0h
CO2 (Economy)41 kg
Airlines1

Frequently Asked Questions

How far is Marion from St. Louis?

The flight distance from Williamson County Regional Airport (MWA) to St Louis Lambert International Airport (STL) is 101 miles (162 km). This is the great circle distance calculated using the Vincenty formula.

How long is the flight?

A direct flight takes approximately 0h 41m. This is a short-haul flight typically cruising at 25,000 feet (FL250).

What is the time difference?

St. Louis is 0 hours ahead of Marion.

What airlines fly this route?

1 airline operate this route: Cape Air.

What is the carbon footprint?

Economy class: 41 kg CO2 per passenger. Business class: 120 kg. First class: 165 kg. Offset with ~4 trees.

Which seat side is best?

For this Northwest flight, the right side offers the best views away from sun glare.

Can I drive from Marion to St. Louis instead of flying?

Driving is a practical alternative at only 162 km. It would take approximately 2 hours at average highway speed. For shorter distances like this, driving can be more convenient when factoring in airport check-in time.

What aircraft typically fly this route?

This short-haul route is typically served by Airbus A320, Boeing 737, Embraer E190 aircraft. These are narrow-body aircraft designed for efficient short-distance travel.

How can I offset the carbon from this flight?

An economy class seat on this route produces 41 kg CO2. You can offset this by planting approximately 4 trees, purchasing verified carbon credits through programs like Gold Standard or Verra, or supporting renewable energy projects. Many airlines also offer built-in carbon offset options during booking.

External Resources & References

Learn more about the airports, aviation data, and carbon emissions methodology used in this calculation.

Dig deeper on this route