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CMB to PSM: distance & flight time
Colombo (Bandaranaike International Colombo Airport) → Portsmouth (Portsmouth International at Pease Airport)
8,508 mi
13,692 km · 7,393 nm
17h 9m
estimated nonstop flight time
-9.5h
time difference · heading northwest
See live CMB→PSM fares Phone-only fares on this route — call free
Flight time details
8,508 miles nonstop takes roughly 17h 9m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 9.5-hour time set-back when reading arrival times on your ticket.
The two airports
- CMB — Bandaranaike International Colombo Airport · Colombo, Sri Lanka
- PSM — Portsmouth International at Pease Airport · Portsmouth, 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 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
Near PSM
- BOS · General Edward Lawrence Logan International Airport50 mi away
- LWM · Lawrence Municipal Airport29 mi away
- MHT · Manchester-Boston Regional Airport33 mi away
- BVY · Beverly Municipal Airport34 mi away
Frequently asked questions
How far is CMB from PSM?
The flight distance from Colombo (CMB) to Portsmouth (PSM) is 8,508 miles (13,692 km, 7,393 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CMB to PSM?
A nonstop flight takes about 17h 9m 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 Portsmouth?
Portsmouth is 9.5 hours behind Colombo.
What is the cheapest way to fly from CMB to PSM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CMB–PSM that never appear on search engines, with no booking fees.