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ALN to RML: distance & flight time
Alton/St Louis (St Louis Regional Airport) → Colombo (Colombo Ratmalana Airport)
9,213 mi
14,827 km · 8,006 nm
18h 32m
estimated nonstop flight time
—
time difference · heading north
See live ALN→RML fares Phone-only fares on this route — call free
Flight time details
9,213 miles nonstop takes roughly 18h 32m gate to gate, flying north. 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
- ALN — St Louis Regional Airport · Alton/St Louis, United States
- RML — Colombo Ratmalana Airport · Colombo, Sri Lanka
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 ALN
- STL · St Louis Lambert International Airport20 mi away
- BLV · Scott AFB/Midamerica Airport26 mi away
- SUS · Spirit of St Louis Airport36 mi away
- SPI · Abraham Lincoln Capital Airport69 mi away
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
Frequently asked questions
How far is ALN from RML?
The flight distance from Alton/St Louis (ALN) to Colombo (RML) is 9,213 miles (14,827 km, 8,006 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ALN to RML?
A nonstop flight takes about 18h 32m 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 ALN to RML?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ALN–RML that never appear on search engines, with no booking fees.