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PSM to RML: distance & flight time
Portsmouth (Portsmouth International at Pease Airport) → Colombo (Colombo Ratmalana Airport)
8,530 mi
13,729 km · 7,413 nm
17h 12m
estimated nonstop flight time
+9.5h
time difference · heading northeast
See live PSM→RML fares Phone-only fares on this route — call free
Flight time details
8,530 miles nonstop takes roughly 17h 12m 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
- PSM — Portsmouth International at Pease Airport · Portsmouth, 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 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
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 PSM from RML?
The flight distance from Portsmouth (PSM) to Colombo (RML) is 8,530 miles (13,729 km, 7,413 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PSM to RML?
A nonstop flight takes about 17h 12m 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 Portsmouth and Colombo?
Colombo is 9.5 hours ahead of Portsmouth.
What is the cheapest way to fly from PSM to RML?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PSM–RML that never appear on search engines, with no booking fees.