# Distance from Colombo (CMB) to Winston Salem (INT)

> 14,770 km · estimated flight time 18h · Ultra-long-haul route.

## Summary

- **Distance**: 14,770 km / 9,178 mi / 7,975 nm
- **Estimated flight time**: 18h
- **Heading**: 338° (north northwest)
- **Return heading**: 27° (north northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Sri Lanka) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -9.5h (When it's 15:13 in Colombo, it's 05:43 in Winston Salem)
- **Elevation difference**: 939 ft (INT 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

### [Smith Reynolds Airport (INT)](https://www.flightduration.online/airport/int-winston-salem-smith-reynolds-airport/1ef266df-2370-65f6-b03d-06bb2780ed98)

- City: Winston Salem, United States
- ICAO: KINT
- Timezone: America/New_York
- Coordinates: 36.130000, -80.220000
- Elevation: 969 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 15:13 in Colombo, it's 05:43 in Winston Salem.
With a 9.5-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)
- [Smith Reynolds Airport (INT)](https://www.flightduration.online/airport/int-winston-salem-smith-reynolds-airport/1ef266df-2370-65f6-b03d-06bb2780ed98)
- [Flight duration calculator](/#calculator)