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GCK to RML: distance & flight time
Garden City (Garden City Regional Airport) → Colombo (Colombo Ratmalana Airport)
9,345 mi
15,039 km · 8,120 nm
18h 47m
estimated nonstop flight time
+10.5h
time difference · heading north
See live GCK→RML fares Phone-only fares on this route — call free
Flight time details
9,345 miles nonstop takes roughly 18h 47m 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 gain when reading arrival times on your ticket.
The two airports
- GCK — Garden City Regional Airport · Garden City, 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 GCK
- DDC · Dodge City Regional Airport43 mi away
- LBL · Liberal Mid-America Regional Airport62 mi away
- GUY · Guymon Municipal Airport96 mi away
- HYS · Hays Regional Airport101 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 GCK from RML?
The flight distance from Garden City (GCK) to Colombo (RML) is 9,345 miles (15,039 km, 8,120 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GCK to RML?
A nonstop flight takes about 18h 47m 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 Garden City and Colombo?
Colombo is 10.5 hours ahead of Garden City.
What is the cheapest way to fly from GCK to RML?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GCK–RML that never appear on search engines, with no booking fees.