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RML to ISA: distance & flight time
Colombo (Colombo Ratmalana Airport) → Mount Isa (Mount Isa Airport)
4,467 mi
7,189 km · 3,882 nm
9h 14m
estimated nonstop flight time
+4.5h
time difference · heading southeast
See live RML→ISA fares Phone-only fares on this route — call free
Flight time details
4,467 miles nonstop takes roughly 9h 14m gate to gate, flying southeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 4.5-hour time gain when reading arrival times on your ticket.
The two airports
- RML — Colombo Ratmalana Airport · Colombo, Sri Lanka
- ISA — Mount Isa Airport · Mount Isa, Australia
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 ISA
- CNJ · Cloncurry Airport66 mi away
- JCK · Julia Creek Airport144 mi away
Frequently asked questions
How far is RML from ISA?
The flight distance from Colombo (RML) to Mount Isa (ISA) is 4,467 miles (7,189 km, 3,882 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RML to ISA?
A nonstop flight takes about 9h 14m 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 Mount Isa?
Mount Isa is 4.5 hours ahead of Colombo.
What is the cheapest way to fly from RML to ISA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RML–ISA that never appear on search engines, with no booking fees.