Need help booking?
Unpublished phone-only deals available
KOS to BJC: distance & flight time
Sihanoukville (Sihanoukville International Airport) → Broomfield-CO (Rocky Mountain Metropolitan Airport)
8,492 mi
13,666 km · 7,379 nm
17h 7m
estimated nonstop flight time
-13h
time difference · heading northeast
See live KOS→BJC fares Phone-only fares on this route — call free
Flight time details
8,492 miles nonstop takes roughly 17h 7m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 13-hour time set-back when reading arrival times on your ticket.
The two airports
- KOS — Sihanoukville International Airport · Sihanoukville, Cambodia
- BJC — Rocky Mountain Metropolitan Airport · Broomfield-CO, 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 BJC
- DEN · Denver International Airport24 mi away
- WBU · Boulder Municipal Airport11 mi away
- BFK · Buckley Air Force Base24 mi away
- APA · Centennial Airport27 mi away
Frequently asked questions
How far is KOS from BJC?
The flight distance from Sihanoukville (KOS) to Broomfield-CO (BJC) is 8,492 miles (13,666 km, 7,379 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KOS to BJC?
A nonstop flight takes about 17h 7m 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 Broomfield-CO?
Broomfield-CO is 13 hours behind Sihanoukville.
What is the cheapest way to fly from KOS to BJC?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KOS–BJC that never appear on search engines, with no booking fees.