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KOS to HUA: distance & flight time
Sihanoukville (Sihanoukville International Airport) → Redstone (Redstone Army Air Field)
9,237 mi
14,866 km · 8,027 nm
18h 35m
estimated nonstop flight time
-12h
time difference · heading north
See live KOS→HUA fares Phone-only fares on this route — call free
Flight time details
9,237 miles nonstop takes roughly 18h 35m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 12-hour time set-back when reading arrival times on your ticket.
The two airports
- KOS — Sihanoukville International Airport · Sihanoukville, Cambodia
- HUA — Redstone Army Air Field · Redstone, United States
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 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
Near HUA
- HSV · Huntsville International Carl T Jones Field6 mi away
- DCU · Pryor Field Regional Airport15 mi away
- MSL · Northwest Alabama Regional Airport53 mi away
- UOS · Franklin County Airport58 mi away
Frequently asked questions
How far is KOS from HUA?
The flight distance from Sihanoukville (KOS) to Redstone (HUA) is 9,237 miles (14,866 km, 8,027 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KOS to HUA?
A nonstop flight takes about 18h 35m 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 Sihanoukville and Redstone?
Redstone is 12 hours behind Sihanoukville.
What is the cheapest way to fly from KOS to HUA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KOS–HUA that never appear on search engines, with no booking fees.