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RML to CTH: distance & flight time
Colombo (Colombo Ratmalana Airport) → Coatesville (Chester County G O Carlson Airport)
8,853 mi
14,247 km · 7,693 nm
17h 49m
estimated nonstop flight time
-9.5h
time difference · heading northwest
See live RML→CTH fares Phone-only fares on this route — call free
Flight time details
8,853 miles nonstop takes roughly 17h 49m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 9.5-hour time set-back when reading arrival times on your ticket.
The two airports
- RML — Colombo Ratmalana Airport · Colombo, Sri Lanka
- CTH — Chester County G O Carlson Airport · Coatesville, 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 CTH
- PHL · Philadelphia International Airport34 mi away
- ILG · New Castle Airport25 mi away
- LNS · Lancaster Airport25 mi away
- RDG · Reading Regional Carl A Spaatz Field28 mi away
Frequently asked questions
How far is RML from CTH?
The flight distance from Colombo (RML) to Coatesville (CTH) is 8,853 miles (14,247 km, 7,693 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RML to CTH?
A nonstop flight takes about 17h 49m 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 Coatesville?
Coatesville is 9.5 hours behind Colombo.
What is the cheapest way to fly from RML to CTH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RML–CTH that never appear on search engines, with no booking fees.