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RML to SYM: distance & flight time
Colombo (Colombo Ratmalana Airport) → Simao (Pu'er Simao Airport)
1,784 mi
2,871 km · 1,550 nm
3h 58m
estimated nonstop flight time
+2.5h
time difference · heading northeast
See live RML→SYM fares Phone-only fares on this route — call free
Flight time details
1,784 miles nonstop takes roughly 3h 58m 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
- SYM — Pu'er Simao Airport · Simao, China
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 SYM
- JHG · Xishuangbanna Gasa Airport58 mi away
- JMJ · Lancang Jingmai Airport79 mi away
- LNJ · Lintsang Airfield88 mi away
- PCQ · Boun Neau Airport99 mi away
Frequently asked questions
How far is RML from SYM?
The flight distance from Colombo (RML) to Simao (SYM) is 1,784 miles (2,871 km, 1,550 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RML to SYM?
A nonstop flight takes about 3h 58m 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 Simao?
Simao is 2.5 hours ahead of Colombo.
What is the cheapest way to fly from RML to SYM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RML–SYM that never appear on search engines, with no booking fees.