Need help booking?
Unpublished phone-only deals available
GSO to RML: distance & flight time
Greensboro (Piedmont Triad International Airport) → Colombo (Colombo Ratmalana Airport)
9,195 mi
14,798 km · 7,990 nm
18h 30m
estimated nonstop flight time
+10.5h
time difference · heading northeast
See live GSO→RML fares Phone-only fares on this route — call free
Flight time details
9,195 miles nonstop takes roughly 18h 30m gate to gate, flying northeast. 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
- GSO — Piedmont Triad International Airport · Greensboro, 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 GSO
- INT · Smith Reynolds Airport16 mi away
- CLT · Charlotte Douglas International Airport83 mi away
- DAN · Danville Regional Airport47 mi away
- SVH · Statesville Regional Airport61 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 GSO from RML?
The flight distance from Greensboro (GSO) to Colombo (RML) is 9,195 miles (14,798 km, 7,990 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GSO to RML?
A nonstop flight takes about 18h 30m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from GSO to RML?
Nonstop service on GSO–RML depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 18h 30m nonstop estimate.
What is the time difference between Greensboro and Colombo?
Colombo is 10.5 hours ahead of Greensboro.
What is the cheapest way to fly from GSO to RML?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GSO–RML that never appear on search engines, with no booking fees.
Why are some GSO to RML fares phone-only?
Consolidator contracts let us sell certain GSO–RML tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.