Need help booking?
Unpublished phone-only deals available
RML to UOS: distance & flight time
Colombo (Colombo Ratmalana Airport) → Sewanee (Franklin County Airport)
9,389 mi
15,110 km · 8,159 nm
18h 53m
estimated nonstop flight time
-10.5h
time difference · heading north
See live RML→UOS fares Phone-only fares on this route — call free
Flight time details
9,389 miles nonstop takes roughly 18h 53m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 10.5-hour time set-back when reading arrival times on your ticket.
The two airports
- RML — Colombo Ratmalana Airport · Colombo, Sri Lanka
- UOS — Franklin County Airport · Sewanee, United States
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 UOS
- APT · Marion County Brown Field20 mi away
- CHA · Lovell Field41 mi away
- HUA · Redstone Army Air Field58 mi away
- HDI · Hardwick Field60 mi away
Frequently asked questions
How far is RML from UOS?
The flight distance from Colombo (RML) to Sewanee (UOS) is 9,389 miles (15,110 km, 8,159 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RML to UOS?
A nonstop flight takes about 18h 53m 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 Sewanee?
Sewanee is 10.5 hours behind Colombo.
What is the cheapest way to fly from RML to UOS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RML–UOS that never appear on search engines, with no booking fees.