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CPR to RML: distance & flight time
Casper (Casper-Natrona County International Airport) → Colombo (Colombo Ratmalana Airport)
8,978 mi
14,448 km · 7,801 nm
18h 4m
estimated nonstop flight time
+11.5h
time difference · heading north
See live CPR→RML fares Phone-only fares on this route — call free
Flight time details
8,978 miles nonstop takes roughly 18h 4m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 11.5-hour time gain when reading arrival times on your ticket.
The two airports
- CPR — Casper-Natrona County International Airport · Casper, 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 CPR
- RWL · Rawlins Municipal Airport/Harvey Field85 mi away
- RIW · Riverton Regional Airport101 mi away
- SAA · Shively Field103 mi away
- WRL · Worland Municipal Airport104 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 CPR from RML?
The flight distance from Casper (CPR) to Colombo (RML) is 8,978 miles (14,448 km, 7,801 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CPR to RML?
A nonstop flight takes about 18h 4m 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 Casper and Colombo?
Colombo is 11.5 hours ahead of Casper.
What is the cheapest way to fly from CPR to RML?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CPR–RML that never appear on search engines, with no booking fees.