Need help booking?
Unpublished phone-only deals available
ATL to CMB: distance & flight time
Atlanta (Hartsfield Jackson Atlanta International Airport) → Colombo (Bandaranaike International Colombo Airport)
9,435 mi
15,184 km · 8,199 nm
18h 58m
estimated nonstop flight time
+9.5h
time difference · heading northeast
See live ATL→CMB fares Phone-only fares on this route — call free
Flight time details
9,435 miles nonstop takes roughly 18h 58m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 9.5-hour time gain when reading arrival times on your ticket.
The two airports
- ATL — Hartsfield Jackson Atlanta International Airport · Atlanta, United States
- CMB — Bandaranaike International Colombo 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 ATL
- FTY · Fulton County Airport Brown Field11 mi away
- PDK · DeKalb Peachtree Airport18 mi away
- MGE · Dobbins Air Reserve Base20 mi away
- LZU · Gwinnett County Briscoe Field36 mi away
Near CMB
- RML · Colombo Ratmalana Airport25 mi away
- GIU · Sigiriya Air Force Base79 mi away
- ACJ · Anuradhapura Air Force Base86 mi away
- KCT · Koggala Airport87 mi away
Frequently asked questions
How far is ATL from CMB?
The flight distance from Atlanta (ATL) to Colombo (CMB) is 9,435 miles (15,184 km, 8,199 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ATL to CMB?
A nonstop flight takes about 18h 58m 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 Atlanta and Colombo?
Colombo is 9.5 hours ahead of Atlanta.
What is the cheapest way to fly from ATL to CMB?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ATL–CMB that never appear on search engines, with no booking fees.