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HRL to KOS: distance & flight time
Harlingen (Valley International Airport) → Sihanoukville (Sihanoukville International Airport)
9,519 mi
15,319 km · 8,272 nm
19h 8m
estimated nonstop flight time
+12h
time difference · heading northwest
See live HRL→KOS fares Phone-only fares on this route — call free
Flight time details
9,519 miles nonstop takes roughly 19h 8m gate to gate, flying northwest. 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
- HRL — Valley International Airport · Harlingen, 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 HRL
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 HRL from KOS?
The flight distance from Harlingen (HRL) to Sihanoukville (KOS) is 9,519 miles (15,319 km, 8,272 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HRL to KOS?
A nonstop flight takes about 19h 8m 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 Harlingen and Sihanoukville?
Sihanoukville is 12 hours ahead of Harlingen.
What is the cheapest way to fly from HRL to KOS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HRL–KOS that never appear on search engines, with no booking fees.