Back to CalculatorRoute ID: ISB-CMB
Flight Distance from Attock (ISB) to Colombo (CMB)
Comprehensive aviation route data, direct distance, flight duration, CO₂ footprint, passport visa rules and interactive map.
Origin Airport
ISBOPIS
Attock, Pakistan
Islamabad International Airport
Great Circle Path
3,021 km1,877 miles • 1,631 NM
Destination Airport
VCBICMB
Colombo, Sri Lanka
Bandaranaike International Colombo Airport
Direct Distance
3,021 km
1,877 Statute Miles
1,631 Nautical Miles
Commercial Flight
4h 3m
Est. non-stop flight duration (~850 km/h cruising speed + buffer)
CO₂ Footprint
272 kg
Estimated carbon footprint per economy passenger (~90g CO₂/km)
Initial Heading
165° True
Initial compass bearing towards destination
Estimated Travel Duration by Aircraft Class
Commercial Jet (Boeing 787 / A350)
4h 3m
Speed: ~850 km/h (459 knots)
Business Jet (Gulfstream G650)
3h 47m
Speed: ~920 km/h (496 knots)
Turboprop Aircraft (ATR-72 / Q400)
6h 19m
Speed: ~520 km/h (280 knots)
Passport & Visa Entry Requirements
🌐 PK→🌐 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
Islamabad International Airport (ISB)
- City / Country: Attock, Pakistan
- ICAO Code: OPIS
- Coordinates: 33.5490°, 72.8257°
- Timezone: Asia/Karachi
- Elevation: 1761 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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