Back to CalculatorRoute ID: IAD-POS
Flight Distance from Dulles (IAD) to Port of Spain (POS)
Comprehensive aviation route data, direct distance, flight duration, CO₂ footprint, passport visa rules and interactive map.
Origin Airport
IADKIAD
Dulles, United States
Washington Dulles International Airport
Great Circle Path
3,534 km2,196 miles • 1,908 NM
Destination Airport
TTPPPOS
Port of Spain, Trinidad and Tobago
Piarco International Airport
Direct Distance
3,534 km
2,196 Statute Miles
1,908 Nautical Miles
Commercial Flight
4h 39m
Est. non-stop flight duration (~850 km/h cruising speed + buffer)
CO₂ Footprint
318 kg
Estimated carbon footprint per economy passenger (~90g CO₂/km)
Initial Heading
149° True
Initial compass bearing towards destination
Estimated Travel Duration by Aircraft Class
Commercial Jet (Boeing 787 / A350)
4h 39m
Speed: ~850 km/h (459 knots)
Business Jet (Gulfstream G650)
4h 20m
Speed: ~920 km/h (496 knots)
Turboprop Aircraft (ATR-72 / Q400)
7h 18m
Speed: ~520 km/h (280 knots)
Passport & Visa Entry Requirements
🇺🇸 United States→🌐 TT
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
Washington Dulles International Airport (IAD)
- City / Country: Dulles, United States
- ICAO Code: KIAD
- Coordinates: 38.9445°, -77.4558°
- Timezone: America/New_York
- Elevation: 312 ft
Arrival Airport Specs
Piarco International Airport (POS)
- City / Country: Port of Spain, Trinidad and Tobago
- ICAO Code: TTPP
- Coordinates: 10.5953°, -61.3376°
- Timezone: America/Port_of_Spain
- Elevation: 58 ft
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