Back to CalculatorRoute ID: KTM-TBU
Flight Distance from Kathmandu (KTM) to Nuku'alofa (TBU)
Comprehensive aviation route data, direct distance, flight duration, CO₂ footprint, passport visa rules and interactive map.
Origin Airport
KTMVNKT
Kathmandu, Nepal
Tribhuvan International Airport
Great Circle Path
11,979 km7,443 miles • 6,468 NM
Destination Airport
NFTFTBU
Nuku'alofa, Tonga
Fua'amotu International Airport
Direct Distance
11,979 km
7,443 Statute Miles
6,468 Nautical Miles
Commercial Flight
14h 36m
Est. non-stop flight duration (~850 km/h cruising speed + buffer)
CO₂ Footprint
1,078 kg
Estimated carbon footprint per economy passenger (~90g CO₂/km)
Initial Heading
105° True
Initial compass bearing towards destination
Estimated Travel Duration by Aircraft Class
Commercial Jet (Boeing 787 / A350)
14h 36m
Speed: ~850 km/h (459 knots)
Business Jet (Gulfstream G650)
13h 31m
Speed: ~920 km/h (496 knots)
Turboprop Aircraft (ATR-72 / Q400)
23h 32m
Speed: ~520 km/h (280 knots)
Passport & Visa Entry Requirements
🌐 NP→🌐 TO
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
Tribhuvan International Airport (KTM)
- City / Country: Kathmandu, Nepal
- ICAO Code: VNKT
- Coordinates: 27.6966°, 85.3591°
- Timezone: Asia/Kathmandu
- Elevation: 4390 ft
Arrival Airport Specs
Fua'amotu International Airport (TBU)
- City / Country: Nuku'alofa, Tonga
- ICAO Code: NFTF
- Coordinates: -21.2414°, -175.1492°
- Timezone: Pacific/Tongatapu
- Elevation: 126 ft
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