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RML to TNN: distance & flight time
Colombo (Colombo Ratmalana Airport) → Tainan (Tainan Airport)
2,900 mi
4,667 km · 2,520 nm
6h 9m
estimated nonstop flight time
+2.5h
time difference · heading northeast
See live RML→TNN fares Phone-only fares on this route — call free
Flight time details
2,900 miles nonstop takes roughly 6h 9m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2.5-hour time gain when reading arrival times on your ticket.
The two airports
- RML — Colombo Ratmalana Airport · Colombo, Sri Lanka
- TNN — Tainan Airport · Tainan, Taiwan
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 TNN
- PIF · Pingtung North Airport25 mi away
- KHH · Kaohsiung International Airport27 mi away
- CYI · Chiayi Airport37 mi away
- WOT · Wang-an Airport53 mi away
Frequently asked questions
How far is RML from TNN?
The flight distance from Colombo (RML) to Tainan (TNN) is 2,900 miles (4,667 km, 2,520 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RML to TNN?
A nonstop flight takes about 6h 9m 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 Tainan?
Tainan is 2.5 hours ahead of Colombo.
What is the cheapest way to fly from RML to TNN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RML–TNN that never appear on search engines, with no booking fees.