Back to CalculatorRoute ID: IAH-OPO
Flight Distance from Houston (IAH) to Porto (OPO)
Comprehensive aviation route data, direct distance, flight duration, CO₂ footprint, passport visa rules and interactive map.
Origin Airport
IAHKIAH
Houston, United States
George Bush Intercontinental Airport
Great Circle Path
7,610 km4,729 miles • 4,109 NM
Destination Airport
LPPROPO
Porto, Portugal
Francisco de Sá Carneiro Airport
Direct Distance
7,610 km
4,729 Statute Miles
4,109 Nautical Miles
Commercial Flight
9h 27m
Est. non-stop flight duration (~850 km/h cruising speed + buffer)
CO₂ Footprint
685 kg
Estimated carbon footprint per economy passenger (~90g CO₂/km)
Initial Heading
54° True
Initial compass bearing towards destination
Estimated Travel Duration by Aircraft Class
Commercial Jet (Boeing 787 / A350)
9h 27m
Speed: ~850 km/h (459 knots)
Business Jet (Gulfstream G650)
8h 46m
Speed: ~920 km/h (496 knots)
Turboprop Aircraft (ATR-72 / Q400)
15h 8m
Speed: ~520 km/h (280 knots)
Passport & Visa Entry Requirements
🇺🇸 United States→🌐 PT
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
George Bush Intercontinental Airport (IAH)
- City / Country: Houston, United States
- ICAO Code: KIAH
- Coordinates: 29.9844°, -95.3414°
- Timezone: America/Chicago
- Elevation: 97 ft
Arrival Airport Specs
Francisco de Sá Carneiro Airport (OPO)
- City / Country: Porto, Portugal
- ICAO Code: LPPR
- Coordinates: 41.2481°, -8.6814°
- Timezone: Europe/Lisbon
- Elevation: 228 ft
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