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PHN to KOS: distance & flight time
Port Huron (St Clair County International Airport) → Sihanoukville (Sihanoukville International Airport)
8,720 mi
14,034 km · 7,578 nm
17h 34m
estimated nonstop flight time
+11h
time difference · heading north
See live PHN→KOS fares Phone-only fares on this route — call free
Flight time details
8,720 miles nonstop takes roughly 17h 34m 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
- PHN — St Clair County International Airport · Port Huron, 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 PHN
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 PHN from KOS?
The flight distance from Port Huron (PHN) to Sihanoukville (KOS) is 8,720 miles (14,034 km, 7,578 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PHN to KOS?
A nonstop flight takes about 17h 34m 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 Port Huron and Sihanoukville?
Sihanoukville is 11 hours ahead of Port Huron.
What is the cheapest way to fly from PHN to KOS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PHN–KOS that never appear on search engines, with no booking fees.