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YSP to KTM: distance & flight time

Marathon (Marathon Airport) → Kathmandu (Tribhuvan International Airport)

7,130 mi
11,474 km · 6,195 nm
14h 27m
estimated nonstop flight time
+9.8h
time difference · heading north
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Flight time details

7,130 miles nonstop takes roughly 14h 27m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 9.8-hour time gain when reading arrival times on your ticket.

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The two airports

Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.

Alternate airports can cut this fare

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Frequently asked questions

How far is YSP from KTM?

The flight distance from Marathon (YSP) to Kathmandu (KTM) is 7,130 miles (11,474 km, 6,195 nautical miles), measured along the great-circle route airlines actually fly.

How long is the flight from YSP to KTM?

A nonstop flight takes about 14h 27m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.

What is the time difference between Marathon and Kathmandu?

Kathmandu is 9.8 hours ahead of Marathon.

What is the cheapest way to fly from YSP to KTM?

Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YSP–KTM that never appear on search engines, with no booking fees.
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