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Yeosu to Seoul Flight Distance

Yeosu Airport (RSU) to Gimpo International Airport (GMP)

Short HaulNorth-Northwest (346°)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

Loading globe...

193
Miles
310
Kilometers
168
Nautical miles
0h 52m
Flight time
Route Distance Scale310 km of 18,000 km max
0Short <1,500kmMedium <4,000kmLong <12,000kmUltra-Long

Your Route Summary

RSU
Origin
Yeosu Airport
Yeosu, South Korea
34.8423°, 127.6170°
GMP
Destination
Gimpo International Airport
Seoul, South Korea
37.5583°, 126.7910°

What This Means For Your Trip

Flight Duration: At 193 miles, this short-haul flight will take approximately 0h 52m. This is a relatively quick flight where you may not even need entertainment.

Time Adjustment: Seoul is 0 hours ahead of Yeosu. You should experience minimal jet lag.

Environmental Impact: An economy class seat produces approximately 79 kg of CO2. This is relatively low for air travel.

Flight Options: 2 airlines serve this route, giving you options for schedule and price comparison.

Complete Flight Analysis

MetricValueCategory / Reference
Distance (Miles)193 miPrimary frequent flyer unit
Distance (Kilometers)310 kmInternational standard
Distance (Nautical Miles)168 nmAviation standard
Flight Time0h 52mBased on 850 km/h cruise + ground time
Route ClassificationSHORT HAULShort-haul flight (under 1,500 km)
Flight Direction346° NNWNorth-Northwest
Cruising Altitude25,000 ftFL250 (7,620 m)
Time Difference+0hJet lag: none
CO2 (Economy)79 kgDEFRA 2024 factors
CO2 (Business)229 kg2.9x economy
CO2 (First Class)316 kg4x economy
Trees to Offset8Economy class, per passenger
Fuel per Passenger9 L~1,620 L total (180 pax)
Operating Airlines2Direct 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 north-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 79 kg CO2 through verified programs—equivalent to planting 8 trees.
Compare Prices
Check multiple booking sites and set price alerts for the best fares.
RSU
DEPARTURE

Yeosu Airport

Yeosu, South Korea

IATA / ICAO
RSU / RKJY
Elevation
53 ft (16 m)
Local Time
03:55 AM
GMT+9
Coordinates
34.8423°, 127.6170°
View full airport details
GMP
ARRIVAL+0h from departure

Gimpo International Airport

Seoul, South Korea

IATA / ICAO
GMP / RKSS
Elevation
59 ft (18 m)
Local Time
03:55 AM
GMT+9
Coordinates
37.5583°, 126.7910°
View full airport details

Airlines Flying This Route

2 airlines operate flights between Yeosu and Seoul.

OZ
Asiana Airlines
Republic of Korea
KE
Korean Air
Republic of Korea

Flight Details

Cruising Altitude
25,000 ft (7,620 m)
FL250
Flight Direction
North-Northwest
Initial bearing: 346°
Route Type
Short-haul flight (under 1,500 km)
Typical Aircraft
Airbus A320Boeing 737Embraer E190
Fuel Consumption
9 L per passenger
~1,620 L total (180 passengers)
Geographic Context
Route stays within the Northern Hemisphere
Both airports are in the Northern Hemisphere. Both airports are in the Eastern Hemisphere.

Flight Midpoint

The geographic midpoint of this flight is located at:

Latitude
36° 12' 3.6" N
36.2010°
Longitude
127° 12' 40.2" E
127.2112°
Halfway Point
97 mi
26 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
79 kg
CO2e: 150 kg
Premium Economy
126 kg
CO2e: 240 kg
Business
229 kg
CO2e: 436 kg
First Class
316 kg
CO2e: 601 kg
Carbon Offset
To offset an economy class seat, plant approximately 8 trees.Equivalent to 3 weeks of average household electricity

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 right (east/south) side
Recommendation
Either side offers good views on northbound flights

Distance in Perspective

1
0.8% of Earth's circumference
2
About the distance from London to Paris (344 km)
3
0.3 hours at the speed of sound

Distance & Speed Reference

MeasurementValue
Statute Miles193 mi
Kilometers310 km
Nautical Miles168 nm
Meters310,000 m
Feet1,019,040 ft
Flight Time (850 km/h)0h 52m
Driving Time (80 km/h avg)4 hours

Travel Speed Comparison

How long would it take to cover the 310 km between Yeosu and Seoul at different speeds?

ModeSpeedTime
Commercial Jet850 km/h0h 52m
Turboprop Aircraft500 km/h0h 37m
Bullet Train320 km/h0h 58m
Car (highway)100 km/h3h 6m
Walking5 km/h62h (3 days)
Speed of Sound1,235 km/h0h 15m

Round Trip Summary

386
total miles
620
total km
1h 44m
total flight time
158
kg CO2 (economy)
View Return Flight: GMP to RSU

Quick Facts

Distance193 mi
Flight Time0h 52m
Route Typeshort haul
DirectionNNW
AltitudeFL250
Time Diff+0h
CO2 (Economy)79 kg
Airlines2

Frequently Asked Questions

How far is Yeosu from Seoul?

The flight distance from Yeosu Airport (RSU) to Gimpo International Airport (GMP) is 193 miles (310 km). This is the great circle distance calculated using the Vincenty formula.

How long is the flight?

A direct flight takes approximately 0h 52m. This is a short-haul flight typically cruising at 25,000 feet (FL250).

What is the time difference?

Seoul is 0 hours ahead of Yeosu.

What airlines fly this route?

2 airlines operate this route: Asiana Airlines, Korean Air.

What is the carbon footprint?

Economy class: 79 kg CO2 per passenger. Business class: 229 kg. First class: 316 kg. Offset with ~8 trees.

Which seat side is best?

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

Can I drive from Yeosu to Seoul instead of flying?

Driving is a practical alternative at only 310 km. It would take approximately 4 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 79 kg CO2. You can offset this by planting approximately 8 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