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SIF to KOS: distance & flight time
Simara (Simara Airport) → Sihanoukville (Sihanoukville International Airport)
1,669 mi
2,686 km · 1,450 nm
3h 44m
estimated nonstop flight time
+1.3h
time difference · heading southeast
See live SIF→KOS fares Phone-only fares on this route — call free
Flight time details
1,669 miles nonstop takes roughly 3h 44m 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
- SIF — Simara Airport · Simara, 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 SIF
- KTM · Tribhuvan International Airport44 mi away
- BHR · Bharatpur Airport49 mi away
- MEY · Meghauli Airport54 mi away
- JKR · Janakpur Airport66 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 SIF from KOS?
The flight distance from Simara (SIF) to Sihanoukville (KOS) is 1,669 miles (2,686 km, 1,450 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SIF to KOS?
A nonstop flight takes about 3h 44m 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 Simara and Sihanoukville?
Sihanoukville is 1.3 hours ahead of Simara.
What is the cheapest way to fly from SIF to KOS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SIF–KOS that never appear on search engines, with no booking fees.