Back to CalculatorRoute ID: SNN-DCA
Flight Distance from Shannon (SNN) to Washington (DCA)
Comprehensive aviation route data, direct distance, flight duration, CO₂ footprint, passport visa rules and interactive map.
Origin Airport
SNNEINN
Shannon, Ireland
Shannon Airport
Great Circle Path
5,287 km3,285 miles • 2,855 NM
Destination Airport
KDCADCA
Washington, United States
Ronald Reagan Washington National Airport
Direct Distance
5,287 km
3,285 Statute Miles
2,855 Nautical Miles
Commercial Flight
6h 43m
Est. non-stop flight duration (~850 km/h cruising speed + buffer)
CO₂ Footprint
476 kg
Estimated carbon footprint per economy passenger (~90g CO₂/km)
Initial Heading
282° True
Initial compass bearing towards destination
Estimated Travel Duration by Aircraft Class
Commercial Jet (Boeing 787 / A350)
6h 43m
Speed: ~850 km/h (459 knots)
Business Jet (Gulfstream G650)
6h 15m
Speed: ~920 km/h (496 knots)
Turboprop Aircraft (ATR-72 / Q400)
10h 40m
Speed: ~520 km/h (280 knots)
Passport & Visa Entry Requirements
🌐 IE→🇺🇸 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
Shannon Airport (SNN)
- City / Country: Shannon, Ireland
- ICAO Code: EINN
- Coordinates: 52.7020°, -8.9248°
- Timezone: Europe/Dublin
- Elevation: 46 ft
Arrival Airport Specs
Ronald Reagan Washington National Airport (DCA)
- City / Country: Washington, United States
- ICAO Code: KDCA
- Coordinates: 38.8521°, -77.0377°
- Timezone: America/New_York
- Elevation: 15 ft
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