Back to CalculatorRoute ID: IAH-ISB
Flight Distance from Houston (IAH) to Attock (ISB)
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
12,842 km7,980 miles • 6,934 NM
Destination Airport
OPISISB
Attock, Pakistan
Islamabad International Airport
Direct Distance
12,842 km
7,980 Statute Miles
6,934 Nautical Miles
Commercial Flight
15h 36m
Est. non-stop flight duration (~850 km/h cruising speed + buffer)
CO₂ Footprint
1,156 kg
Estimated carbon footprint per economy passenger (~90g CO₂/km)
Initial Heading
11° True
Initial compass bearing towards destination
Estimated Travel Duration by Aircraft Class
Commercial Jet (Boeing 787 / A350)
15h 36m
Speed: ~850 km/h (459 knots)
Business Jet (Gulfstream G650)
14h 28m
Speed: ~920 km/h (496 knots)
Turboprop Aircraft (ATR-72 / Q400)
25h 12m
Speed: ~520 km/h (280 knots)
Passport & Visa Entry Requirements
🇺🇸 United States→🌐 PK
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
Islamabad International Airport (ISB)
- City / Country: Attock, Pakistan
- ICAO Code: OPIS
- Coordinates: 33.5490°, 72.8257°
- Timezone: Asia/Karachi
- Elevation: 1761 ft
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