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BOS to CMB: distance & flight time
Boston (General Edward Lawrence Logan International Airport) → Colombo (Bandaranaike International Colombo Airport)
8,554 mi
13,766 km · 7,433 nm
17h 14m
estimated nonstop flight time
+9.5h
time difference · heading northeast
See live BOS→CMB fares Phone-only fares on this route — call free
Flight time details
8,554 miles nonstop takes roughly 17h 14m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 9.5-hour time gain when reading arrival times on your ticket.
The two airports
- BOS — General Edward Lawrence Logan International Airport · Boston, United States
- CMB — Bandaranaike International Colombo Airport · Colombo, Sri Lanka
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 BOS
- OWD · Norwood Memorial Airport15 mi away
- BED · Laurence G Hanscom Field16 mi away
- BVY · Beverly Municipal Airport16 mi away
- LWM · Lawrence Municipal Airport25 mi away
Near CMB
- RML · Colombo Ratmalana Airport25 mi away
- GIU · Sigiriya Air Force Base79 mi away
- ACJ · Anuradhapura Air Force Base86 mi away
- KCT · Koggala Airport87 mi away
Frequently asked questions
How far is BOS from CMB?
The flight distance from Boston (BOS) to Colombo (CMB) is 8,554 miles (13,766 km, 7,433 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BOS to CMB?
A nonstop flight takes about 17h 14m 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 Boston and Colombo?
Colombo is 9.5 hours ahead of Boston.
What is the cheapest way to fly from BOS to CMB?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BOS–CMB that never appear on search engines, with no booking fees.