# Distance from Colombo (CMB) to Sulphur Springs (SLR)

> 15,504 km · estimated flight time 19h · Ultra-long-haul route.

## Summary

- **Distance**: 15,504 km / 9,634 mi / 8,372 nm
- **Estimated flight time**: 19h
- **Heading**: 354° (north)
- **Return heading**: 7° (north)
- **Classification**: Ultra-long-haul
- **Type**: International (Sri Lanka) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -10.5h (When it's 17:57 in Colombo, it's 07:27 in Sulphur Springs)
- **Elevation difference**: 459 ft (SLR is higher than CMB)

## Airports

### [Bandaranaike International Apt Colombo Airport (CMB)](https://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

### [Sulphur Springs Municipal Airport (SLR)](https://flightduration.online/airport/slr-sulphur-springs-sulphur-springs-municipal-airport/1ef266df-38e7-66a0-bcac-06bb2780ed98)

- City: Sulphur Springs, United States
- ICAO: KSLR
- Timezone: America/Chicago
- Coordinates: 33.160000, -95.620000
- Elevation: 489 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 17:57 in Colombo, it's 07:27 in Sulphur Springs.
With a 10.5-hour time difference, expect significant jet lag.

## Related

- [Bandaranaike International Apt Colombo Airport (CMB)](https://flightduration.online/airport/cmb-colombo-bandaranaike-international-apt-colombo-airport/1ef266df-ef5c-65b6-9127-06bb2780ed98)
- [Sulphur Springs Municipal Airport (SLR)](https://flightduration.online/airport/slr-sulphur-springs-sulphur-springs-municipal-airport/1ef266df-38e7-66a0-bcac-06bb2780ed98)
- [Flight duration calculator](/#calculator)