# Distance from Boulder City (BLD) to Colombo (CMB)

> 14,978 km · estimated flight time 19h · Ultra-long-haul route.

## Summary

- **Distance**: 14,978 km / 9,307 mi / 8,087 nm
- **Estimated flight time**: 19h
- **Heading**: 339° (north northwest)
- **Return heading**: 17° (north northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Sri Lanka
- **Intercontinental**: North America → Asia
- **Time difference**: +12.5h (When it's 11:18 in Boulder City, it's 23:48 in Colombo)
- **Elevation difference**: 2,173 ft (CMB is lower than BLD)

## Airports

### [Boulder City Municipal Airport (BLD)](https://www.flightduration.online/airport/bld-boulder-city-boulder-city-municipal-airport/1ef266df-11c1-654e-99ef-06bb2780ed98)

- City: Boulder City, United States
- ICAO: KBVU
- Timezone: America/Los_Angeles
- Coordinates: 35.950000, -114.860000
- Elevation: 2,203 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 11:18 in Boulder City, it's 23:48 in Colombo.
With a 12.5-hour time difference, expect significant jet lag.

## Related

- [Boulder City Municipal Airport (BLD)](https://www.flightduration.online/airport/bld-boulder-city-boulder-city-municipal-airport/1ef266df-11c1-654e-99ef-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)