Need help booking?
Unpublished phone-only deals available
OIM to RML: distance & flight time
Oshima (Oshima Airport) → Colombo (Colombo Ratmalana Airport)
4,227 mi
6,803 km · 3,674 nm
8h 45m
estimated nonstop flight time
-3.5h
time difference · heading west
See live OIM→RML fares Phone-only fares on this route — call free
Flight time details
4,227 miles nonstop takes roughly 8h 45m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3.5-hour time set-back when reading arrival times on your ticket.
The two airports
- OIM — Oshima Airport · Oshima, Japan
- 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 OIM
- HND · Tokyo Haneda International Airport58 mi away
- NJA · Atsugi Naval Air Facility47 mi away
- NRT · Narita International Airport89 mi away
- MYE · Miyakejima Airport50 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 OIM from RML?
The flight distance from Oshima (OIM) to Colombo (RML) is 4,227 miles (6,803 km, 3,674 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OIM to RML?
A nonstop flight takes about 8h 45m 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 Oshima and Colombo?
Colombo is 3.5 hours behind Oshima.
What is the cheapest way to fly from OIM to RML?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OIM–RML that never appear on search engines, with no booking fees.