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BOS to RML: distance & flight time
Boston (General Edward Lawrence Logan International Airport) → Colombo (Colombo Ratmalana Airport)
8,576 mi
13,802 km · 7,452 nm
17h 17m
estimated nonstop flight time
+9.5h
time difference · heading northeast
See live BOS→RML fares Phone-only fares on this route — call free
Flight time details
8,576 miles nonstop takes roughly 17h 17m 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
- RML — Colombo Ratmalana 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 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
Frequently asked questions
How far is BOS from RML?
The flight distance from Boston (BOS) to Colombo (RML) is 8,576 miles (13,802 km, 7,452 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BOS to RML?
A nonstop flight takes about 17h 17m 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 RML?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BOS–RML that never appear on search engines, with no booking fees.