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RML to THS: distance & flight time
Colombo (Colombo Ratmalana Airport) → Sukhothai (Sukhothai Airport)
1,525 mi
2,454 km · 1,325 nm
3h 27m
estimated nonstop flight time
+1.5h
time difference · heading northeast
See live RML→THS fares Phone-only fares on this route — call free
Flight time details
1,525 miles nonstop takes roughly 3h 27m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1.5-hour time gain when reading arrival times on your ticket.
The two airports
- RML — Colombo Ratmalana Airport · Colombo, Sri Lanka
- THS — Sukhothai Airport · Sukhothai, Thailand
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 THS
- PHS · Phitsanulok Airport44 mi away
- TKT · Tak Airport44 mi away
- PRH · Phrae Airport66 mi away
- LPT · Lampang Airport74 mi away
Frequently asked questions
How far is RML from THS?
The flight distance from Colombo (RML) to Sukhothai (THS) is 1,525 miles (2,454 km, 1,325 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RML to THS?
A nonstop flight takes about 3h 27m 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 Sukhothai?
Sukhothai is 1.5 hours ahead of Colombo.
What is the cheapest way to fly from RML to THS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RML–THS that never appear on search engines, with no booking fees.