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THR to RML: distance & flight time
Teheran (Mehrabad International Airport) → Colombo (Colombo Ratmalana Airport)
2,692 mi
4,333 km · 2,340 nm
5h 45m
estimated nonstop flight time
+2h
time difference · heading southeast
See live THR→RML fares Phone-only fares on this route — call free
Flight time details
2,692 miles nonstop takes roughly 5h 45m gate to gate, flying southeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time gain when reading arrival times on your ticket.
The two airports
- THR — Mehrabad International Airport · Teheran, Iran
- 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 THR
- IKA · Imam Khomeini International Airport21 mi away
- PYK · Payam International Airport28 mi away
- NSH · Noshahr Airport68 mi away
- GZW · Qazvin Airport80 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 THR from RML?
The flight distance from Teheran (THR) to Colombo (RML) is 2,692 miles (4,333 km, 2,340 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from THR to RML?
A nonstop flight takes about 5h 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 Teheran and Colombo?
Colombo is 2 hours ahead of Teheran.
What is the cheapest way to fly from THR to RML?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on THR–RML that never appear on search engines, with no booking fees.