Back to CalculatorRoute ID: IAH-JNB
Flight Distance from Houston (IAH) to Johannesburg (JNB)
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
14,518 km9,021 miles • 7,839 NM
Destination Airport
FAORJNB
Johannesburg, South Africa
O.R. Tambo International Airport
Direct Distance
14,518 km
9,021 Statute Miles
7,839 Nautical Miles
Commercial Flight
17h 35m
Est. non-stop flight duration (~850 km/h cruising speed + buffer)
CO₂ Footprint
1,307 kg
Estimated carbon footprint per economy passenger (~90g CO₂/km)
Initial Heading
100° True
Initial compass bearing towards destination
Estimated Travel Duration by Aircraft Class
Commercial Jet (Boeing 787 / A350)
17h 35m
Speed: ~850 km/h (459 knots)
Business Jet (Gulfstream G650)
16h 17m
Speed: ~920 km/h (496 knots)
Turboprop Aircraft (ATR-72 / Q400)
28h 25m
Speed: ~520 km/h (280 knots)
Passport & Visa Entry Requirements
🇺🇸 United States→🇿🇦 South Africa
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
O.R. Tambo International Airport (JNB)
- City / Country: Johannesburg, South Africa
- ICAO Code: FAOR
- Coordinates: -26.1401°, 28.2468°
- Timezone: Africa/Johannesburg
- Elevation: 5558 ft
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