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Longest flights from KOS
Sihanoukville International Airport in Sihanukville, Cambodia has 5 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 18, 2026.
The longest listed nonstop flight from KOS is to Guangzhou (CAN), about 1,090 miles with an estimated block time of ~2h 50m.
- Routes ranked
- 5
- International
- 4
- Top markets
- China, Malaysia, and Vietnam
Farthest nonstop routes
| # | Route | Distance | Est. time | Airlines | Frequency |
|---|---|---|---|---|---|
| 1 | KOS to CAN Guangzhou, China | 1,090 mi | ~2h 50m | 2×/wk | |
| 2 | KOS to KMG Kunming, China | 998 mi | ~2h 38m | 3×/wk | |
| 3 | KOS to KUL Kuala Lumpur, Malaysia | 557 mi | ~1h 44m | 1/day | |
| 4 | KOS to SGN Ho Chi Minh City, Vietnam | 205 mi | ~1h | 1/day | |
| 5 | KOS to SAI Siem Reap, Cambodia | 197 mi | ~59m | 2×/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.
Full route map
Tap a line to see the route. Farthest is KOS to CAN at 1,090 mi. Scroll or pinch to zoom, drag to pan.
Lines are true great circles on a map centred on KOS, so the curve you see is the route's real shortest path. Select one to jump to its row.
FAQ
What is the longest flight from KOS?
The longest nonstop route in FlightQ's current KOS schedule set is KOS to CAN, about 1,090 miles with an estimated block time of ~2h 50m.
How are the longest KOS flights ranked?
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.
Are these guaranteed live routes?
The list is built from FlightQ's current schedule capture. Airlines change timetables often, so always confirm dates and availability before booking.