# Distance from Kathmandu (KTM) to Serui-Japen Island (ZRI)

> 6,350 km · estimated flight time 8h · Long-haul route.

## Summary

- **Distance**: 6,350 km / 3,946 mi / 3,429 nm
- **Estimated flight time**: 8h
- **Heading**: 113° (east southeast)
- **Return heading**: 305° (northwest)
- **Classification**: Long-haul
- **Type**: International (Nepal) → Indonesia
- **Time difference**: +3.25h (When it's 00:00 in Kathmandu, it's 03:15 in Serui-Japen Island)
- **Elevation difference**: 4,340 ft (ZRI 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

### [Serui Airport (ZRI)](https://www.flightduration.online/airport/zri-serui-japen-island-serui-airport/1ef266df-f905-6694-96b4-06bb2780ed98)

- City: Serui-Japen Island, Indonesia
- ICAO: WABO
- Timezone: Asia/Jayapura
- Coordinates: -1.880000, 136.240000
- Elevation: 50 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 00:00 in Kathmandu, it's 03:15 in Serui-Japen Island.
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)
- [Serui Airport (ZRI)](https://www.flightduration.online/airport/zri-serui-japen-island-serui-airport/1ef266df-f905-6694-96b4-06bb2780ed98)
- [Flight duration calculator](/#calculator)