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BTC to KOS: distance & flight time
Batticaloa (Batticaloa Airport) → Sihanoukville (Sihanoukville International Airport)
1,511 mi
2,431 km · 1,313 nm
3h 26m
estimated nonstop flight time
+1.5h
time difference · heading east
See live BTC→KOS fares Phone-only fares on this route — call free
Flight time details
1,511 miles nonstop takes roughly 3h 26m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1.5-hour time gain when reading arrival times on your ticket.
The two airports
- BTC — Batticaloa Airport · Batticaloa, Sri Lanka
- 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 BTC
- ADP · Ampara Airport26 mi away
- HIM · Hingurakgoda Air Force Base53 mi away
- TRR · China Bay Airport67 mi away
- GIU · Sigiriya Air Force Base67 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 BTC from KOS?
The flight distance from Batticaloa (BTC) to Sihanoukville (KOS) is 1,511 miles (2,431 km, 1,313 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BTC to KOS?
A nonstop flight takes about 3h 26m 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 Batticaloa and Sihanoukville?
Sihanoukville is 1.5 hours ahead of Batticaloa.
What is the cheapest way to fly from BTC to KOS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BTC–KOS that never appear on search engines, with no booking fees.