KTM
Kathmandu
Nepal
11,979 km
7,443 miles
TBU
Nuku'alofa
Tonga
Distance
11,979 km
7,443 mi / 6,468 nm
Est. Flight Time
15h
Ultra-long-haul route
Time Difference
+7.25h
Asia/Kathmandu
Heading
105°
east southeast

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Airport Comparison

KTM TBU
Airport Name Tribhuvan International Airport Fua'amotu International Airport
IATA Code KTM TBU
ICAO Code VNKT NFTF
City Kathmandu Nuku'alofa
Country Nepal Tonga
Timezone Asia/Kathmandu Pacific/Tongatapu
Elevation 4,390 ft 126 ft
Coordinates 27.700000, 85.360000 -21.240000, -175.150000

Kathmandu (KTM) to Nuku'alofa (TBU) Flight Distance

The flight distance from Tribhuvan International Airport (KTM) in Kathmandu, Nepal to Fua'amotu International Airport (TBU) in Nuku'alofa, Tonga is 11,979 kilometers (7,443 miles / 6,468 nautical miles). The estimated flight time for this route is approximately 15h, flying east southeast at a heading of 105°.

This is an ultra-long-haul route, one of the longest in aviation. It requires wide-body aircraft with extended range capability such as the Airbus A350-900ULR or Boeing 777-200LR. Passengers should prepare for an extended flight with multiple meal services.

This is an international route connecting Nepal with Tonga. It is an intercontinental flight between Asia and Oceania. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 04:09 in Kathmandu, it's 11:24 in Nuku'alofa. With a 7.25-hour time difference, travelers should plan for significant jet lag. It typically takes one day per hour of time difference to fully adjust.

There is a significant elevation difference of 4,264 feet between the two airports. Fua'amotu International Airport sits lower than Tribhuvan International Airport.

The return flight from Nuku'alofa (TBU) to Kathmandu (KTM) follows a heading of 294° (west northwest). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the Tribhuvan International Airport (KTM) and Fua'amotu International Airport (TBU) detail pages, or use our flight duration calculator to compare other routes.

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