Back to CalculatorRoute ID: CJU-STL
Flight Distance from Jeju City (CJU) to St Louis (STL)
Comprehensive aviation route data, direct distance, flight duration, CO₂ footprint, passport visa rules and interactive map.
Origin Airport
CJURKPC
Jeju City, South Korea
Jeju International Airport
Great Circle Path
11,126 km6,913 miles • 6,008 NM
Destination Airport
KSTLSTL
St Louis, United States
St. Louis Lambert International Airport
Direct Distance
11,126 km
6,913 Statute Miles
6,008 Nautical Miles
Commercial Flight
13h 35m
Est. non-stop flight duration (~850 km/h cruising speed + buffer)
CO₂ Footprint
1,001 kg
Estimated carbon footprint per economy passenger (~90g CO₂/km)
Initial Heading
28° True
Initial compass bearing towards destination
Estimated Travel Duration by Aircraft Class
Commercial Jet (Boeing 787 / A350)
13h 35m
Speed: ~850 km/h (459 knots)
Business Jet (Gulfstream G650)
12h 36m
Speed: ~920 km/h (496 knots)
Turboprop Aircraft (ATR-72 / Q400)
21h 54m
Speed: ~520 km/h (280 knots)
Passport & Visa Entry Requirements
🇰🇷 South Korea→🇺🇸 United States
Allowed Stay90 days
Passport Validity Required6 months
💡 Official Note: Visa Waiver Program — ESTA online authorization required.
This information is provided for general guidance only and does not replace official verification with an embassy, consulate, or the IATA Travel Centre before you travel.
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Flight Path & Geodetic Arc Map
Great Circle Flight Arc Path
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Departure Airport Specs
Jeju International Airport (CJU)
- City / Country: Jeju City, South Korea
- ICAO Code: RKPC
- Coordinates: 33.5121°, 126.4925°
- Timezone: Asia/Seoul
- Elevation: 118 ft
Arrival Airport Specs
St. Louis Lambert International Airport (STL)
- City / Country: St Louis, United States
- ICAO Code: KSTL
- Coordinates: 38.7487°, -90.3700°
- Timezone: America/Chicago
- Elevation: 618 ft
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