# Distance from Kathmandu (KTM) to Okushiri Airport (OIR)

> 5,093 km · estimated flight time 7h · Long-haul route.

## Summary

- **Distance**: 5,093 km / 3,165 mi / 2,750 nm
- **Estimated flight time**: 7h
- **Heading**: 57° (east northeast)
- **Return heading**: 270° (west)
- **Classification**: Long-haul
- **Type**: International (Nepal) → Japan
- **Time difference**: +3.25h (When it's 14:34 in Kathmandu, it's 17:49 in Okushiri Airport)
- **Elevation difference**: 4,229 ft (OIR 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

### [Okushiri Airport (OIR)](https://www.flightduration.online/airport/oir-okushiri-airport/1ef266df-8bb3-60e6-a096-06bb2780ed98)

- City: Okushiri Airport, Japan
- ICAO: RJEO
- Timezone: Asia/Tokyo
- Coordinates: 42.070000, 139.430000
- Elevation: 161 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 14:34 in Kathmandu, it's 17:49 in Okushiri Airport.
The 3.25-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)
- [Okushiri Airport (OIR)](https://www.flightduration.online/airport/oir-okushiri-airport/1ef266df-8bb3-60e6-a096-06bb2780ed98)
- [Flight duration calculator](/#calculator)