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KEP to KOS: distance & flight time
Nepalgunj (Nepalgunj Airport) → Sihanoukville (Sihanoukville International Airport)
1,869 mi
3,008 km · 1,624 nm
4h 8m
estimated nonstop flight time
+1.3h
time difference · heading southeast
See live KEP→KOS fares Phone-only fares on this route — call free
Flight time details
1,869 miles nonstop takes roughly 4h 8m gate to gate, flying southeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1.3-hour time gain when reading arrival times on your ticket.
The two airports
- KEP — Nepalgunj Airport · Nepalgunj, Nepal
- KOS — Sihanoukville International Airport · Sihanoukville, Cambodia
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near KEP
- SKH · Surkhet Airport33 mi away
- DNP · Tulsipur Airport38 mi away
- RUK · Rukum Chaurjahari Airport48 mi away
- DHI · Dhangarhi Airport80 mi away
Near KOS
- PQC · Phu Quoc International Airport37 mi away
- PNH · Phnom Penh International Airport106 mi away
- VKG · Rach Gia Airport110 mi away
- KZC · Kampong Chhnang Airport132 mi away
Frequently asked questions
How far is KEP from KOS?
The flight distance from Nepalgunj (KEP) to Sihanoukville (KOS) is 1,869 miles (3,008 km, 1,624 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KEP to KOS?
A nonstop flight takes about 4h 8m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the time difference between Nepalgunj and Sihanoukville?
Sihanoukville is 1.3 hours ahead of Nepalgunj.
What is the cheapest way to fly from KEP to KOS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KEP–KOS that never appear on search engines, with no booking fees.