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RML to AOU: distance & flight time
Colombo (Colombo Ratmalana Airport) → Attopeu (Attopeu Airport)
1,907 mi
3,070 km · 1,658 nm
4h 12m
estimated nonstop flight time
—
time difference · heading east
See live RML→AOU fares Phone-only fares on this route — call free
Flight time details
1,907 miles nonstop takes roughly 4h 12m gate to gate, flying east. 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
- AOU — Attopeu Airport · Attopeu, Laos
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 AOU
- VNA · Saravane Airport68 mi away
- PKZ · Pakse International Airport73 mi away
- RBE · Ratanakiri Airport76 mi away
- PXU · Pleiku Airport98 mi away
Frequently asked questions
How far is RML from AOU?
The flight distance from Colombo (RML) to Attopeu (AOU) is 1,907 miles (3,070 km, 1,658 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RML to AOU?
A nonstop flight takes about 4h 12m 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 AOU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RML–AOU that never appear on search engines, with no booking fees.