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GRR to KOS: distance & flight time
Grand Rapids (Gerald R. Ford International Airport) → Sihanoukville (Sihanoukville International Airport)
8,698 mi
13,998 km · 7,558 nm
17h 31m
estimated nonstop flight time
+11h
time difference · heading north
See live GRR→KOS fares Phone-only fares on this route — call free
Flight time details
8,698 miles nonstop takes roughly 17h 31m 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
- GRR — Gerald R. Ford International Airport · Grand Rapids, 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 GRR
- MKG · Muskegon County Airport41 mi away
- BTL · W K Kellogg Airport42 mi away
- AZO · Kalamazoo Battle Creek International Airport45 mi away
- LAN · Capital City Airport48 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 GRR from KOS?
The flight distance from Grand Rapids (GRR) to Sihanoukville (KOS) is 8,698 miles (13,998 km, 7,558 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GRR to KOS?
A nonstop flight takes about 17h 31m 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 Grand Rapids and Sihanoukville?
Sihanoukville is 11 hours ahead of Grand Rapids.
What is the cheapest way to fly from GRR to KOS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GRR–KOS that never appear on search engines, with no booking fees.