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TRI to KOS: distance & flight time
BRISTOL (Tri-Cities Regional TN/VA Airport) → Sihanoukville (Sihanoukville International Airport)
9,162 mi
14,745 km · 7,961 nm
18h 26m
estimated nonstop flight time
+11h
time difference · heading north
See live TRI→KOS fares Phone-only fares on this route — call free
Flight time details
9,162 miles nonstop takes roughly 18h 26m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 11-hour time gain when reading arrival times on your ticket.
The two airports
- TRI — Tri-Cities Regional TN/VA Airport · BRISTOL, 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 TRI
- MRN · Foothills Regional Airport63 mi away
- AVL · Asheville Regional Airport72 mi away
- IKB · Wilkes County Airport75 mi away
- HKY · Hickory Regional Airport76 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 TRI from KOS?
The flight distance from BRISTOL (TRI) to Sihanoukville (KOS) is 9,162 miles (14,745 km, 7,961 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from TRI to KOS?
A nonstop flight takes about 18h 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 BRISTOL and Sihanoukville?
Sihanoukville is 11 hours ahead of BRISTOL.
What is the cheapest way to fly from TRI to KOS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on TRI–KOS that never appear on search engines, with no booking fees.