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YSM to RML: distance & flight time
Fort Smith (Fort Smith Airport) → Colombo (Colombo Ratmalana Airport)
7,773 mi
12,510 km · 6,755 nm
15h 42m
estimated nonstop flight time
+11.5h
time difference · heading north
See live YSM→RML fares Phone-only fares on this route — call free
Flight time details
7,773 miles nonstop takes roughly 15h 42m 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 gain when reading arrival times on your ticket.
The two airports
- YSM — Fort Smith Airport · Fort Smith, Canada
- 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 YSM
- YPY · Fort Chipewyan Airport92 mi away
- YFR · Fort Resolution Airport99 mi away
- YBE · Uranium City Airport125 mi away
- YHY · Hay River / Merlyn Carter Airport142 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 YSM from RML?
The flight distance from Fort Smith (YSM) to Colombo (RML) is 7,773 miles (12,510 km, 6,755 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YSM to RML?
A nonstop flight takes about 15h 42m 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 Fort Smith and Colombo?
Colombo is 11.5 hours ahead of Fort Smith.
What is the cheapest way to fly from YSM to RML?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YSM–RML that never appear on search engines, with no booking fees.