The distance from Tribhuvan International Airport (KTM) to Diori Hamani International Airport (NIM) is 5378 miles or 8655 kilometers or 4671 nautical miles.
The distance shown below is direct flight distance between airports. Straight-line distance does not account for the surface between the two points. It is the distance a bird or airplane would travel between the two points when flying above the surface. The straight line distance is the direct route between two points, regardless of whether or not there are roads that connect them.
8655 kilometers is the direct flight distance between Tribhuvan International Airport (Nepal) and Diori Hamani International Airport (Niger).
How long does it take to travel from Kathmandu ( Nepal ) to Niamey ( Niger )?
A one-way nonstop (direct) flight between Kathmandu and Niamey takes around 12 hours 21 minutes.
Estimated
flight time from Tribhuvan International Airport, Kathmandu, Nepal to Diori Hamani International Airport, Niamey, Niger is
12 hours 21 minutes under avarage conditions. Your actual flying time may vary depending on wind direction/speed or weather conditions. This calculation does not include the departure and landing times of the aircraft. In addition, it does not cover the person identity check, ticket check-in and baggage collection times at the airport.
Travel Distance Between the Airports • KTM - NIM
| Kilometers | | 8655 km |
| Statute Miles | | 5378 miles |
| Nautical Miles | | 4671 nm |
| Avg. Time of Flight | | 12 hours 21 minutes |
Tribhuvan International Airport to Diori Hamani International Airport Flight Route Map - KTM to NIM Flight Path
Location of Tribhuvan International Airport & Diori Hamani International Airport is given below.
Click the map to view Kathmandu to Niamey nonstop flight path and travel direction.
Click to see flight route on Google Map between Kathmandu, Nepal and Niamey, Niger. .
Nonstop flight route between Kathmandu, Nepal and Niamey, Niger.
Time Difference Between the Airports • KTM - NIM
Time difference between
Kathmandu (Nepal) and
Niamey (Niger) is 4 Hours 45 Minutes.
Niamey time is 4 Hours 45 Minutes behind Kathmandu.
| Location | Local Time |
| Kathmandu (Nepal) | 2026-03-29, 02:08:39 +0545 |
| Niamey (Niger) | 2026-03-28, 21:23:39 WAT |
Why should you arrive 3 hours before international flight?
Flyers who are traveling to an international destination should arrive at the airport earlier than domestic flyers. This is because international flights can have additional check-in requirements, like passport verification, that need to be completed before you receive your boarding pass.