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Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ISA–RML that never appear on search engines, with no booking fees.