Need help booking?
Unpublished phone-only deals available
RML to BOI: distance & flight time
Colombo (Colombo Ratmalana Airport) → Boise (Boise Air Terminal/Gowen Field)
8,812 mi
14,182 km · 7,658 nm
17h 45m
estimated nonstop flight time
-11.5h
time difference · heading north
See live RML→BOI fares Phone-only fares on this route — call free
Flight time details
8,812 miles nonstop takes roughly 17h 45m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 11.5-hour time set-back when reading arrival times on your ticket.
The two airports
- RML — Colombo Ratmalana Airport · Colombo, Sri Lanka
- BOI — Boise Air Terminal/Gowen Field · Boise, 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 RML
- CMB · Bandaranaike International Colombo Airport25 mi away
- KCT · Koggala Airport65 mi away
- HRI · Mattala Rajapaksa International Airport93 mi away
- GIU · Sigiriya Air Force Base97 mi away
Near BOI
- MUO · Mountain Home Air Force Base40 mi away
- ONO · Ontario Municipal Airport50 mi away
- MYL · McCall Municipal Airport92 mi away
- SUN · Friedman Memorial Airport97 mi away
Frequently asked questions
How far is RML from BOI?
The flight distance from Colombo (RML) to Boise (BOI) is 8,812 miles (14,182 km, 7,658 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RML to BOI?
A nonstop flight takes about 17h 45m 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 Colombo and Boise?
Boise is 11.5 hours behind Colombo.
What is the cheapest way to fly from RML to BOI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RML–BOI that never appear on search engines, with no booking fees.