Need help booking?
Unpublished phone-only deals available
JMO to KOS: distance & flight time
Jomsom (Jomsom Airport) → Sihanoukville (Sihanoukville International Airport)
1,800 mi
2,896 km · 1,564 nm
4h
estimated nonstop flight time
+1.3h
time difference · heading southeast
See live JMO→KOS fares Phone-only fares on this route — call free
Flight time details
1,800 miles nonstop takes roughly 4h 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
- JMO — Jomsom Airport · Jomsom, 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 JMO
- NGX · Manang Airport24 mi away
- BGL · Baglung Airport39 mi away
- PKR · Pokhara Airport43 mi away
- DOP · Dolpa Airport56 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 JMO from KOS?
The flight distance from Jomsom (JMO) to Sihanoukville (KOS) is 1,800 miles (2,896 km, 1,564 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from JMO to KOS?
A nonstop flight takes about 4h 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 Jomsom and Sihanoukville?
Sihanoukville is 1.3 hours ahead of Jomsom.
What is the cheapest way to fly from JMO to KOS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on JMO–KOS that never appear on search engines, with no booking fees.