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CTH to KTM: distance & flight time
Coatesville (Chester County G O Carlson Airport) → Kathmandu (Tribhuvan International Airport)
7,608 mi
12,243 km · 6,611 nm
15h 23m
estimated nonstop flight time
+9.8h
time difference · heading north
See live CTH→KTM fares Phone-only fares on this route — call free
Flight time details
7,608 miles nonstop takes roughly 15h 23m 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.
The two airports
- CTH — Chester County G O Carlson Airport · Coatesville, United States
- KTM — Tribhuvan International Airport · Kathmandu, Nepal
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near CTH
- PHL · Philadelphia International Airport34 mi away
- ILG · New Castle Airport25 mi away
- LNS · Lancaster Airport25 mi away
- RDG · Reading Regional Carl A Spaatz Field28 mi away
Near KTM
- SIF · Simara Airport44 mi away
- RHP · Ramechhap Airport48 mi away
- BHR · Bharatpur Airport57 mi away
- MEY · Meghauli Airport70 mi away
Frequently asked questions
How far is CTH from KTM?
The flight distance from Coatesville (CTH) to Kathmandu (KTM) is 7,608 miles (12,243 km, 6,611 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CTH to KTM?
A nonstop flight takes about 15h 23m 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 Coatesville and Kathmandu?
Kathmandu is 9.8 hours ahead of Coatesville.
What is the cheapest way to fly from CTH to KTM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CTH–KTM that never appear on search engines, with no booking fees.