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Tribhuvan International Airport in Kathmandu, Nepal has 22 nonstop destinations in the current FlightQ schedule set. This page ranks the farthest routes by airport-to-airport distance and adds airlines, frequency, and estimated flight time.
Schedule snapshot checked Sep 28, 2026.
The longest listed nonstop flight from KTM is to Istanbul (IST), about 3,297 miles with an estimated block time of ~7h 23m.
| # | Route | Distance | Est. time | Airlines | Frequency |
|---|---|---|---|---|---|
| 1 | KTM to IST Istanbul, Türkiye | 3,297 mi | ~7h 23m | 3×/wk | |
| 2 | KTM to NRT Tokyo, Japan | 3,239 mi | ~7h 16m | 3×/wk | |
| 3 | KTM to ICN Seoul, South Korea | 2,465 mi | ~5h 40m | 2×/wk | |
| 4 | KTM to KWI Kuwait City, Kuwait | 2,263 mi | ~5h 15m | 1-2/day | |
| 5 | KTM to SIN Singapore, Singapore | 2,198 mi | ~5h 7m | 1/day | |
| 6 | KTM to DMM Ad Dammam, Saudi Arabia | 2,182 mi | ~5h 5m | 1/day | |
| 7 | KTM to DOH Doha, Qatar | 2,087 mi | ~4h 53m | 4-5/day | |
| 8 | KTM to KUL Kuala Lumpur, Malaysia | 2,034 mi | ~4h 47m | 3-4/day | |
| 9 | KTM to AUH Abu Dhabi, United Arab Emirates | 1,914 mi | ~4h 32m | 1-2/day | |
| 10 | KTM to DXB Dubai, United Arab Emirates | 1,858 mi | ~4h 25m | 5-6/day | |
| 11 | KTM to SHJ Sharjah, United Arab Emirates | 1,848 mi | ~4h 24m | 2-3/day | |
| 12 | KTM to HKG Hong Kong, Hong Kong SAR China | 1,822 mi | ~4h 21m | 1/day | |
| 13 | KTM to CAN Guangzhou, China | 1,763 mi | ~4h 13m | 2-3/day | |
| 14 | KTM to CMB Colombo, Sri Lanka | 1,462 mi | ~3h 36m | 1/day | |
| 15 | KTM to BKK Bangkok, Thailand | 1,385 mi | ~3h 27m | 2-3/day | |
| 16 | KTM to TFU Tianfu, China | 1,166 mi | ~2h 59m | 1/day | |
| 17 | KTM to BLR Bengaluru, India | 1,117 mi | ~2h 53m | 2×/wk | |
| 18 | KTM to KMG Kunming, China | 1,092 mi | ~2h 50m | 1/day | |
| 19 | KTM to BOM Mumbai, India | 989 mi | ~2h 37m | 1-2/day | |
| 20 | KTM to DEL New Delhi, India | 507 mi | ~1h 38m | 11/day | |
| 21 | KTM to DAC Dhaka, Bangladesh | 411 mi | ~1h 26m | BB | 1-2/day |
| 22 | KTM to DHI Dhangarhi, Nepal | 300 mi | ~1h 12m | SShree | 3×/wk |
Distance is great-circle mileage. Estimated time uses a standard block-time model until a route has enough tracked duration data on its route guide.
Tap a line to see the route. Farthest is KTM to IST at 3,297 mi. Scroll or pinch to zoom, drag to pan.
Lines are true great circles on a map centred on KTM, so the curve you see is the route's real shortest path. Select one to jump to its row.
The longest nonstop route in FlightQ's current KTM schedule set is KTM to IST, about 3,297 miles with an estimated block time of ~7h 23m.
Routes are ranked by great-circle distance between the origin and destination airports. Flight times are estimates unless a route page has tracked duration data.
The list is built from FlightQ's current schedule capture. Airlines change timetables often, so always confirm dates and availability before booking.