# Distance from Kathmandu (KTM) to Bissau (OXB)

> 10,452 km · estimated flight time 13h · Ultra-long-haul route.

## Summary

- **Distance**: 10,452 km / 6,495 mi / 5,644 nm
- **Estimated flight time**: 13h
- **Heading**: 286° (west northwest)
- **Return heading**: 61° (east northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Nepal) → Guinea-Bissau
- **Intercontinental**: Asia → Africa
- **Time difference**: -5.75h (When it's 06:08 in Kathmandu, it's 00:23 in Bissau)
- **Elevation difference**: 4,261 ft (OXB is lower than KTM)

## Airports

### [Tribhuvan International Airport (KTM)](https://www.flightduration.online/airport/ktm-kathmandu-tribhuvan-international-airport/1ef266df-f304-6ec0-afd1-06bb2780ed98)

- City: Kathmandu, Nepal
- ICAO: VNKT
- Timezone: Asia/Kathmandu
- Coordinates: 27.700000, 85.360000
- Elevation: 4,390 ft

### [Osvaldo Vieira International Airport (OXB)](https://www.flightduration.online/airport/oxb-bissau-osvaldo-vieira-international-airport/1ef266de-e816-6294-87ad-06bb2780ed98)

- City: Bissau, Guinea-Bissau
- ICAO: GGOV
- Timezone: Africa/Bissau
- Coordinates: 11.890000, -15.650000
- Elevation: 129 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 06:08 in Kathmandu, it's 00:23 in Bissau.
The 5.75-hour time difference may cause some jet lag.

## Related

- [Tribhuvan International Airport (KTM)](https://www.flightduration.online/airport/ktm-kathmandu-tribhuvan-international-airport/1ef266df-f304-6ec0-afd1-06bb2780ed98)
- [Osvaldo Vieira International Airport (OXB)](https://www.flightduration.online/airport/oxb-bissau-osvaldo-vieira-international-airport/1ef266de-e816-6294-87ad-06bb2780ed98)
- [Flight duration calculator](/#calculator)