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RML to DEF: distance & flight time
Colombo (Colombo Ratmalana Airport) → Dezful (Dezful Airport)
2,687 mi
4,325 km · 2,335 nm
5h 44m
estimated nonstop flight time
-2h
time difference · heading northwest
See live RML→DEF fares Phone-only fares on this route — call free
Flight time details
2,687 miles nonstop takes roughly 5h 44m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time set-back when reading arrival times on your ticket.
The two airports
- RML — Colombo Ratmalana Airport · Colombo, Sri Lanka
- DEF — Dezful Airport · Dezful, Iran
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 DEF
- KHD · Khoram Abad Airport69 mi away
- AWZ · Ahwaz Airport79 mi away
- OMI · Omidiyeh Airport129 mi away
- MRX · Mahshahr Airport137 mi away
Frequently asked questions
How far is RML from DEF?
The flight distance from Colombo (RML) to Dezful (DEF) is 2,687 miles (4,325 km, 2,335 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RML to DEF?
A nonstop flight takes about 5h 44m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from RML to DEF?
Nonstop service on RML–DEF depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 5h 44m nonstop estimate.
What is the time difference between Colombo and Dezful?
Dezful is 2 hours behind Colombo.
What is the cheapest way to fly from RML to DEF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RML–DEF that never appear on search engines, with no booking fees.
Why are some RML to DEF fares phone-only?
Consolidator contracts let us sell certain RML–DEF tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.