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RML to DTU: distance & flight time
Colombo (Colombo Ratmalana Airport) → Wudalianchi (Wudalianchi Dedu Airport)
3,940 mi
6,340 km · 3,423 nm
8h 11m
estimated nonstop flight time
—
time difference · heading northeast
See live RML→DTU fares Phone-only fares on this route — call free
Flight time details
3,940 miles nonstop takes roughly 8h 11m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- RML — Colombo Ratmalana Airport · Colombo, Sri Lanka
- DTU — Wudalianchi Dedu Airport · Wudalianchi, 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 DTU
- DQA · Saertu Airport126 mi away
- HEK · Heihe Airport131 mi away
- NDG · Qiqihar Sanjiazi Airport132 mi away
- LDS · Lindu Airport142 mi away
Frequently asked questions
How far is RML from DTU?
The flight distance from Colombo (RML) to Wudalianchi (DTU) is 3,940 miles (6,340 km, 3,423 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RML to DTU?
A nonstop flight takes about 8h 11m 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 cheapest way to fly from RML to DTU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RML–DTU that never appear on search engines, with no booking fees.