Need help booking?
Unpublished phone-only deals available
RML to OKJ: distance & flight time
Colombo (Colombo Ratmalana Airport) → Okayama (Okayama Airport)
3,924 mi
6,316 km · 3,410 nm
8h 10m
estimated nonstop flight time
+3.5h
time difference · heading northeast
See live RML→OKJ fares Phone-only fares on this route — call free
Flight time details
3,924 miles nonstop takes roughly 8h 10m 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
- OKJ — Okayama Airport · Okayama, 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 OKJ
- TAK · Takamatsu Airport39 mi away
- TTJ · Tottori Airport56 mi away
- HIJ · Hiroshima Airport58 mi away
- TKS · Tokushima Airport/JMSDF Air Base61 mi away
Frequently asked questions
How far is RML from OKJ?
The flight distance from Colombo (RML) to Okayama (OKJ) is 3,924 miles (6,316 km, 3,410 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RML to OKJ?
A nonstop flight takes about 8h 10m 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 Okayama?
Okayama is 3.5 hours ahead of Colombo.
What is the cheapest way to fly from RML to OKJ?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RML–OKJ that never appear on search engines, with no booking fees.