# Distance from Atlanta (ATL) to Colombo (CMB)

> 15,184 km · estimated flight time 19h · Ultra-long-haul route.

## Summary

- **Distance**: 15,184 km / 9,435 mi / 8,199 nm
- **Estimated flight time**: 19h
- **Heading**: 23° (north northeast)
- **Return heading**: 341° (north northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Sri Lanka
- **Intercontinental**: North America → Asia
- **Time difference**: +9.5h (When it's 12:19 in Atlanta, it's 21:49 in Colombo)
- **Elevation difference**: 996 ft (CMB is lower than ATL)

## Airports

### [Hartsfield - Jackson Atlanta International Airport (ATL)](https://www.flightduration.online/airport/atl-atlanta-hartsfield-jackson-atlanta-international-airport/1ef266df-0f11-62ae-9978-06bb2780ed98)

- City: Atlanta, United States
- ICAO: KATL
- Timezone: America/New_York
- Coordinates: 33.640000, -84.430000
- Elevation: 1,026 ft

### [Bandaranaike International Apt Colombo Airport (CMB)](https://www.flightduration.online/airport/cmb-colombo-bandaranaike-international-apt-colombo-airport/1ef266df-ef5c-65b6-9127-06bb2780ed98)

- City: Colombo, Sri Lanka
- ICAO: VCBI
- Timezone: Asia/Colombo
- Coordinates: 7.180000, 79.880000
- Elevation: 30 ft

## Route notes

This is an ultra-long-haul route, one of the longest in aviation. It requires wide-body aircraft with extended range capability such as the Airbus A350-900ULR or Boeing 777-200LR. Passengers should prepare for an extended flight with multiple meal services.

Time-zone information: When it's 12:19 in Atlanta, it's 21:49 in Colombo.
With a 9.5-hour time difference, expect significant jet lag.

## Related

- [Hartsfield - Jackson Atlanta International Airport (ATL)](https://www.flightduration.online/airport/atl-atlanta-hartsfield-jackson-atlanta-international-airport/1ef266df-0f11-62ae-9978-06bb2780ed98)
- [Bandaranaike International Apt Colombo Airport (CMB)](https://www.flightduration.online/airport/cmb-colombo-bandaranaike-international-apt-colombo-airport/1ef266df-ef5c-65b6-9127-06bb2780ed98)
- [Flight duration calculator](/#calculator)