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ACH to RML: distance & flight time
Altenrhein (St Gallen Altenrhein Airport) → Colombo (Colombo Ratmalana Airport)
4,956 mi
7,976 km · 4,307 nm
10h 11m
estimated nonstop flight time
+3.5h
time difference · heading east
See live ACH→RML fares Phone-only fares on this route — call free
Flight time details
4,956 miles nonstop takes roughly 10h 11m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3.5-hour time gain when reading arrival times on your ticket.
The two airports
- ACH — St Gallen Altenrhein Airport · Altenrhein, Switzerland
- 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 ACH
- HOH · Hohenems-Dornbirn Airport9 mi away
- FDH · Friedrichshafen Airport13 mi away
- ZRH · Zürich Airport47 mi away
- FMM · Memmingen Allgau Airport47 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 ACH from RML?
The flight distance from Altenrhein (ACH) to Colombo (RML) is 4,956 miles (7,976 km, 4,307 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ACH to RML?
A nonstop flight takes about 10h 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 time difference between Altenrhein and Colombo?
Colombo is 3.5 hours ahead of Altenrhein.
What is the cheapest way to fly from ACH to RML?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ACH–RML that never appear on search engines, with no booking fees.