Back to CalculatorRoute ID: KEF-STL
Flight Distance from Reykjavík (KEF) to St Louis (STL)
Comprehensive aviation route data, direct distance, flight duration, CO₂ footprint, passport visa rules and interactive map.
Origin Airport
KEFBIKF
Reykjavík, Iceland
Keflavik International Airport
Great Circle Path
5,139 km3,193 miles • 2,775 NM
Destination Airport
KSTLSTL
St Louis, United States
St. Louis Lambert International Airport
Direct Distance
5,139 km
3,193 Statute Miles
2,775 Nautical Miles
Commercial Flight
6h 33m
Est. non-stop flight duration (~850 km/h cruising speed + buffer)
CO₂ Footprint
463 kg
Estimated carbon footprint per economy passenger (~90g CO₂/km)
Initial Heading
271° True
Initial compass bearing towards destination
Estimated Travel Duration by Aircraft Class
Commercial Jet (Boeing 787 / A350)
6h 33m
Speed: ~850 km/h (459 knots)
Business Jet (Gulfstream G650)
6h 5m
Speed: ~920 km/h (496 knots)
Turboprop Aircraft (ATR-72 / Q400)
10h 23m
Speed: ~520 km/h (280 knots)
Passport & Visa Entry Requirements
🌐 IS→🇺🇸 United States
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
Keflavik International Airport (KEF)
- City / Country: Reykjavík, Iceland
- ICAO Code: BIKF
- Coordinates: 63.9850°, -22.6056°
- Timezone: Atlantic/Reykjavik
- Elevation: 171 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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