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Yamaguchi to Seoul Flight Distance

Yamaguchi Ube Airport (UBJ) to Incheon International Airport (ICN)

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

Loading globe...

365
Miles
587
Kilometers
317
Nautical miles
1h 11m
Flight time
Route Distance Scale587 km of 18,000 km max
0Short <1,500kmMedium <4,000kmLong <12,000kmUltra-Long

Your Route Summary

UBJ
Origin
Yamaguchi Ube Airport
Yamaguchi, Japan
33.9300°, 131.2790°
ICN
Destination
Incheon International Airport
Seoul, South Korea
37.4691°, 126.4510°

What This Means For Your Trip

Flight Duration: At 365 miles, this short-haul flight will take approximately 1h 11m. This is a relatively quick flight where you may not even need entertainment.

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

Environmental Impact: An economy class seat produces approximately 150 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)365 miPrimary frequent flyer unit
Distance (Kilometers)587 kmInternational standard
Distance (Nautical Miles)317 nmAviation standard
Flight Time1h 11mBased on 850 km/h cruise + ground time
Route ClassificationSHORT HAULShort-haul flight (under 1,500 km)
Flight Direction313° NWNorthwest
Cruising Altitude33,000 ftFL330 (10,058 m)
Time Difference+0hJet lag: none
CO2 (Economy)150 kgDEFRA 2024 factors
CO2 (Business)434 kg2.9x economy
CO2 (First Class)599 kg4x economy
Trees to Offset14Economy class, per passenger
Fuel per Passenger18 L~3,240 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 150 kg CO2 through verified programs—equivalent to planting 14 trees.
Compare Prices
Check multiple booking sites and set price alerts for the best fares.
UBJ
DEPARTURE

Yamaguchi Ube Airport

Yamaguchi, Japan

IATA / ICAO
UBJ / RJDC
Elevation
23 ft (7 m)
Local Time
06:06 AM
GMT+9
Coordinates
33.9300°, 131.2790°
View full airport details
ICN
ARRIVAL+0h from departure

Incheon International Airport

Seoul, South Korea

IATA / ICAO
ICN / RKSI
Elevation
23 ft (7 m)
Local Time
06:06 AM
GMT+9
Coordinates
37.4691°, 126.4510°
View full airport details

Airlines Flying This Route

1 airline operate flights between Yamaguchi and Seoul.

OZ
Asiana Airlines
Republic of Korea

Flight Details

Cruising Altitude
33,000 ft (10,058 m)
FL330
Flight Direction
Northwest
Initial bearing: 313°
Route Type
Short-haul flight (under 1,500 km)
Typical Aircraft
Airbus A320Boeing 737Embraer E190
Fuel Consumption
18 L per passenger
~3,240 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
35° 43' 25.1" N
35.7236°
Longitude
128° 55' 7.0" E
128.9186°
Halfway Point
183 mi
36 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
150 kg
CO2e: 284 kg
Premium Economy
239 kg
CO2e: 455 kg
Business
434 kg
CO2e: 825 kg
First Class
599 kg
CO2e: 1138 kg
Carbon Offset
To offset an economy class seat, plant approximately 14 trees.Equivalent to 6 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 left (south) side during daytime
Recommendation
Right window for views away from sun glare, left for warmth

Distance in Perspective

1
1.5% of Earth's circumference
2
Similar to Berlin to Vienna (524 km)
3
0.5 hours at the speed of sound

Distance & Speed Reference

MeasurementValue
Statute Miles365 mi
Kilometers587 km
Nautical Miles317 nm
Meters587,000 m
Feet1,927,200 ft
Flight Time (850 km/h)1h 11m
Driving Time (80 km/h avg)7 hours

Travel Speed Comparison

How long would it take to cover the 587 km between Yamaguchi and Seoul at different speeds?

ModeSpeedTime
Commercial Jet850 km/h1h 11m
Turboprop Aircraft500 km/h1h 10m
Bullet Train320 km/h1h 50m
Car (highway)100 km/h5h 52m
Walking5 km/h117h (5 days)
Speed of Sound1,235 km/h0h 29m

Round Trip Summary

730
total miles
1,174
total km
2h 22m
total flight time
300
kg CO2 (economy)
View Return Flight: ICN to UBJ

Quick Facts

Distance365 mi
Flight Time1h 11m
Route Typeshort haul
DirectionNW
AltitudeFL330
Time Diff+0h
CO2 (Economy)150 kg
Airlines1

Frequently Asked Questions

How far is Yamaguchi from Seoul?

The flight distance from Yamaguchi Ube Airport (UBJ) to Incheon International Airport (ICN) is 365 miles (587 km). This is the great circle distance calculated using the Vincenty formula.

How long is the flight?

A direct flight takes approximately 1h 11m. This is a short-haul flight typically cruising at 33,000 feet (FL330).

What is the time difference?

Seoul is 0 hours ahead of Yamaguchi.

What airlines fly this route?

1 airline operate this route: Asiana Airlines.

What is the carbon footprint?

Economy class: 150 kg CO2 per passenger. Business class: 434 kg. First class: 599 kg. Offset with ~14 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 Yamaguchi to Seoul instead of flying?

While driving is technically possible at 587 km, it would take approximately 7 hours of non-stop driving. Flying saves you significant time, reducing travel to just 1h 11m.

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 150 kg CO2. You can offset this by planting approximately 14 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