The distance from Tribhuvan International Airport (KTM) to John Glenn Columbus International Airport (CMH) is 7699 miles or 12390 kilometers or 6686 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.
12390 kilometers is the direct flight distance between Tribhuvan International Airport (Nepal) and John Glenn Columbus International Airport (United States).
How long does it take to travel from Kathmandu ( Nepal ) to Columbus ( United States )?
A one-way nonstop (direct) flight between Kathmandu and Columbus takes around 17 hours 42 minutes.
Estimated
flight time from Tribhuvan International Airport, Kathmandu, Nepal to John Glenn Columbus International Airport, Columbus, United States is
17 hours 42 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 - CMH
| Kilometers | | 12390 km |
| Statute Miles | | 7699 miles |
| Nautical Miles | | 6686 nm |
| Avg. Time of Flight | | 17 hours 42 minutes |
Tribhuvan International Airport to John Glenn Columbus International Airport Flight Route Map - KTM to CMH Flight Path
Location of Tribhuvan International Airport & John Glenn Columbus International Airport is given below.
Click the map to view Kathmandu to Columbus nonstop flight path and travel direction.
Click to see flight route on Google Map between Kathmandu, Nepal and Columbus, United States. .
Nonstop flight route between Kathmandu, Nepal and Columbus, United States.
Time Difference Between the Airports • KTM - CMH
Time difference between
Kathmandu (Nepal) and
Columbus (United States) is 9 Hours 45 Minutes.
Columbus time is 9 Hours 45 Minutes behind Kathmandu.
| Location | Local Time |
| Kathmandu (Nepal) | 2026-03-21, 06:11:03 +0545 |
| Columbus (United States) | 2026-03-20, 20:26:03 EDT |
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.