Back to CalculatorRoute ID: KEF-SFO
Flight Distance from Reykjavík (KEF) to San Francisco (SFO)
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
6,748 km4,193 miles • 3,644 NM
Destination Airport
KSFOSFO
San Francisco, United States
San Francisco International Airport
Direct Distance
6,748 km
4,193 Statute Miles
3,644 Nautical Miles
Commercial Flight
8h 26m
Est. non-stop flight duration (~850 km/h cruising speed + buffer)
CO₂ Footprint
607 kg
Estimated carbon footprint per economy passenger (~90g CO₂/km)
Initial Heading
296° True
Initial compass bearing towards destination
Estimated Travel Duration by Aircraft Class
Commercial Jet (Boeing 787 / A350)
8h 26m
Speed: ~850 km/h (459 knots)
Business Jet (Gulfstream G650)
7h 50m
Speed: ~920 km/h (496 knots)
Turboprop Aircraft (ATR-72 / Q400)
13h 29m
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
San Francisco International Airport (SFO)
- City / Country: San Francisco, United States
- ICAO Code: KSFO
- Coordinates: 37.6198°, -122.3748°
- Timezone: America/Los_Angeles
- Elevation: 13 ft
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