# Distance from Colombo (CMB) to Dayong (DYG)

> 4,022 km · estimated flight time 6h · Long-haul route.

## Summary

- **Distance**: 4,022 km / 2,499 mi / 2,172 nm
- **Estimated flight time**: 6h
- **Heading**: 49° (northeast)
- **Return heading**: 239° (west southwest)
- **Classification**: Long-haul
- **Type**: International (Sri Lanka) → China
- **Time difference**: +2.5h (When it's 01:10 in Colombo, it's 03:40 in Dayong)
- **Elevation difference**: 662 ft (DYG 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

### [Dayong Airport (DYG)](https://www.flightduration.online/airport/dyg-dayong-dayong-airport/1ef266e0-1e6e-60b6-9939-06bb2780ed98)

- City: Dayong, China
- ICAO: ZGDY
- Timezone: Asia/Shanghai
- Coordinates: 29.100000, 110.440000
- Elevation: 692 ft

## Route notes

This is a long-haul route typically operated by wide-body aircraft such as the Boeing 777 or Airbus A350. Full meal service, in-flight entertainment, and comfort amenities are standard.

Time-zone information: When it's 01:10 in Colombo, it's 03:40 in Dayong.

## Related

- [Bandaranaike International Apt Colombo Airport (CMB)](https://www.flightduration.online/airport/cmb-colombo-bandaranaike-international-apt-colombo-airport/1ef266df-ef5c-65b6-9127-06bb2780ed98)
- [Dayong Airport (DYG)](https://www.flightduration.online/airport/dyg-dayong-dayong-airport/1ef266e0-1e6e-60b6-9939-06bb2780ed98)
- [Flight duration calculator](/#calculator)