# Distance from Colombo (CMB) to Oshkosh (OKS)

> 14,608 km · estimated flight time 18h · Ultra-long-haul route.

## Summary

- **Distance**: 14,608 km / 9,077 mi / 7,888 nm
- **Estimated flight time**: 18h
- **Heading**: 2° (north)
- **Return heading**: 357° (north)
- **Classification**: Ultra-long-haul
- **Type**: International (Sri Lanka) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -11.5h (When it's 23:58 in Colombo, it's 12:28 in Oshkosh)
- **Elevation difference**: 3,364 ft (OKS 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

### [Garden County/King Rhiley Field (OKS)](https://www.flightduration.online/airport/oks-oshkosh-garden-countyking-rhiley-field/1ef266df-3080-65d4-8409-06bb2780ed98)

- City: Oshkosh, United States
- ICAO: KOKS
- Timezone: America/Denver
- Coordinates: 41.400000, -102.360000
- Elevation: 3,394 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 23:58 in Colombo, it's 12:28 in Oshkosh.
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)
- [Garden County/King Rhiley Field (OKS)](https://www.flightduration.online/airport/oks-oshkosh-garden-countyking-rhiley-field/1ef266df-3080-65d4-8409-06bb2780ed98)
- [Flight duration calculator](/#calculator)