Back to CalculatorRoute ID: IAH-CMB
Flight Distance from Houston (IAH) to Colombo (CMB)
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
15,851 km9,849 miles • 8,559 NM
Destination Airport
VCBICMB
Colombo, Sri Lanka
Bandaranaike International Colombo Airport
Direct Distance
15,851 km
9,849 Statute Miles
8,559 Nautical Miles
Commercial Flight
19h 9m
Est. non-stop flight duration (~850 km/h cruising speed + buffer)
CO₂ Footprint
1,427 kg
Estimated carbon footprint per economy passenger (~90g CO₂/km)
Initial Heading
8° True
Initial compass bearing towards destination
Estimated Travel Duration by Aircraft Class
Commercial Jet (Boeing 787 / A350)
19h 9m
Speed: ~850 km/h (459 knots)
Business Jet (Gulfstream G650)
17h 44m
Speed: ~920 km/h (496 knots)
Turboprop Aircraft (ATR-72 / Q400)
30h 59m
Speed: ~520 km/h (280 knots)
Passport & Visa Entry Requirements
🇺🇸 United States→🌐 LK
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
Bandaranaike International Colombo Airport (CMB)
- City / Country: Colombo, Sri Lanka
- ICAO Code: VCBI
- Coordinates: 7.1808°, 79.8841°
- Timezone: Asia/Colombo
- Elevation: 30 ft
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