Airport Comparison
Castletown (IOM) to Kathmandu (KTM) Flight Distance
The flight distance from Isle of Man Airport (IOM) in Castletown, IM to Tribhuvan International Airport (KTM) in Kathmandu, Nepal is 7,547 kilometers (4,690 miles / 4,075 nautical miles). The estimated flight time for this route is approximately 10h, flying east northeast at a heading of 73°.
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.
This is an international route connecting IM with Nepal. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.
Time zone information: When it's 12:10 in Castletown, it's 17:55 in Kathmandu. The 5.75-hour time difference may cause some jet lag. Most travelers adjust within a day or two.
There is a significant elevation difference of 4,338 feet between the two airports. Tribhuvan International Airport sits higher than Isle of Man Airport.
The return flight from Kathmandu (KTM) to Castletown (IOM) follows a heading of 321° (northwest). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.
For more information about these airports, visit the Isle of Man Airport (IOM) and Tribhuvan International Airport (KTM) detail pages, or use our flight duration calculator to compare other routes.