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RML to YOW: distance & flight time
Colombo (Colombo Ratmalana Airport) → Ottawa (Ottawa Macdonald-Cartier International Airport)
8,529 mi
13,726 km · 7,412 nm
17h 11m
estimated nonstop flight time
-9.5h
time difference · heading north
See live RML→YOW fares Phone-only fares on this route — call free
Flight time details
8,529 miles nonstop takes roughly 17h 11m gate to gate, flying north. 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
- RML — Colombo Ratmalana Airport · Colombo, Sri Lanka
- YOW — Ottawa Macdonald-Cartier International Airport · Ottawa, Canada
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 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
Near YOW
- YRO · Ottawa / Rockcliffe Airport10 mi away
- YND · Ottawa / Gatineau Airport15 mi away
- YSH · Smiths Falls-Montague (Russ Beach) Airport29 mi away
- OGS · Ogdensburg International Airport45 mi away
Frequently asked questions
How far is RML from YOW?
The flight distance from Colombo (RML) to Ottawa (YOW) is 8,529 miles (13,726 km, 7,412 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RML to YOW?
A nonstop flight takes about 17h 11m 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 Ottawa?
Ottawa is 9.5 hours behind Colombo.
What is the cheapest way to fly from RML to YOW?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RML–YOW that never appear on search engines, with no booking fees.