IIL
Ilam
Iran
3,762 km
2,338 miles
KTM
Kathmandu
Nepal
Distance
3,762 km
2,338 mi / 2,031 nm
Est. Flight Time
5h
Medium-haul route
Time Difference
+2.25h
Asia/Tehran
Heading
89°
east

Airport Comparison

IIL KTM
Airport Name Ilam Airport Tribhuvan International Airport
IATA Code IIL KTM
ICAO Code OICI VNKT
City Ilam Kathmandu
Country Iran Nepal
Timezone Asia/Tehran Asia/Kathmandu
Elevation 4,404 ft 4,390 ft
Coordinates 33.590000, 46.400000 27.700000, 85.360000

Ilam (IIL) to Kathmandu (KTM) Flight Distance

The flight distance from Ilam Airport (IIL) in Ilam, Iran to Tribhuvan International Airport (KTM) in Kathmandu, Nepal is 3,762 kilometers (2,338 miles / 2,031 nautical miles). The estimated flight time for this route is approximately 5h, flying east at a heading of 89°.

This is a medium-haul route that may be operated by either narrow-body or wide-body aircraft depending on demand. Passengers can expect a meal service on most carriers.

This is an international route connecting Iran with Nepal. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 01:55 in Ilam, it's 04:10 in Kathmandu.

The return flight from Kathmandu (KTM) to Ilam (IIL) follows a heading of 290° (west 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 Ilam Airport (IIL) and Tribhuvan International Airport (KTM) detail pages, or use our flight duration calculator to compare other routes.

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