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RML to ITM: distance & flight time
Colombo (Colombo Ratmalana Airport) → Osaka (Osaka International Airport)
4,011 mi
6,456 km · 3,486 nm
8h 20m
estimated nonstop flight time
+3.5h
time difference · heading northeast
See live RML→ITM fares Phone-only fares on this route — call free
Flight time details
4,011 miles nonstop takes roughly 8h 20m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3.5-hour time gain when reading arrival times on your ticket.
The two airports
- RML — Colombo Ratmalana Airport · Colombo, Sri Lanka
- ITM — Osaka International Airport · Osaka, Japan
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 ITM
- UKB · Kobe Airport16 mi away
- KIX · Kansai International Airport27 mi away
- TJH · Tajima Airport62 mi away
- TKS · Tokushima Airport/JMSDF Air Base65 mi away
Frequently asked questions
How far is RML from ITM?
The flight distance from Colombo (RML) to Osaka (ITM) is 4,011 miles (6,456 km, 3,486 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RML to ITM?
A nonstop flight takes about 8h 20m 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 Osaka?
Osaka is 3.5 hours ahead of Colombo.
What is the cheapest way to fly from RML to ITM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RML–ITM that never appear on search engines, with no booking fees.