# Distance from Colombo (CMB) to Casper (CPR)

> 14,409 km · estimated flight time 18h · Ultra-long-haul route.

## Summary

- **Distance**: 14,409 km / 8,953 mi / 7,780 nm
- **Estimated flight time**: 18h
- **Heading**: 6° (north)
- **Return heading**: 352° (north)
- **Classification**: Ultra-long-haul
- **Type**: International (Sri Lanka) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -11.5h (When it's 09:40 in Colombo, it's 22:10 in Casper)
- **Elevation difference**: 5,314 ft (CPR is higher than CMB)

## Airports

### [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

### [Casper/Natrona County International Airport (CPR)](https://www.flightduration.online/airport/cpr-casper-caspernatrona-county-international-airport/1ef266df-14d5-6898-9a21-06bb2780ed98)

- City: Casper, United States
- ICAO: KCPR
- Timezone: America/Denver
- Coordinates: 42.910000, -106.460000
- Elevation: 5,344 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 09:40 in Colombo, it's 22:10 in Casper.
With a 11.5-hour time difference, expect significant jet lag.

## Related

- [Bandaranaike International Apt Colombo Airport (CMB)](https://www.flightduration.online/airport/cmb-colombo-bandaranaike-international-apt-colombo-airport/1ef266df-ef5c-65b6-9127-06bb2780ed98)
- [Casper/Natrona County International Airport (CPR)](https://www.flightduration.online/airport/cpr-casper-caspernatrona-county-international-airport/1ef266df-14d5-6898-9a21-06bb2780ed98)
- [Flight duration calculator](/#calculator)