Need help booking?
Unpublished phone-only deals available
OSH to KOS: distance & flight time
Oshkosh (Wittman Regional Airport) → Sihanoukville (Sihanoukville International Airport)
8,590 mi
13,824 km · 7,464 nm
17h 19m
estimated nonstop flight time
+12h
time difference · heading north
See live OSH→KOS fares Phone-only fares on this route — call free
Flight time details
8,590 miles nonstop takes roughly 17h 19m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 12-hour time gain when reading arrival times on your ticket.
The two airports
- OSH — Wittman Regional Airport · Oshkosh, United States
- 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 OSH
- FLD · Fond du Lac County Airport15 mi away
- ATW · Appleton International Airport19 mi away
- SBM · Sheboygan County Memorial Airport38 mi away
- GRB · Austin Straubel International Airport41 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 OSH from KOS?
The flight distance from Oshkosh (OSH) to Sihanoukville (KOS) is 8,590 miles (13,824 km, 7,464 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSH to KOS?
A nonstop flight takes about 17h 19m 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 Oshkosh and Sihanoukville?
Sihanoukville is 12 hours ahead of Oshkosh.
What is the cheapest way to fly from OSH to KOS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSH–KOS that never appear on search engines, with no booking fees.