Need help booking?
Unpublished phone-only deals available
KTM to APA: distance & flight time
Kathmandu (Tribhuvan International Airport) → Denver (Centennial Airport)
7,743 mi
12,461 km · 6,728 nm
15h 39m
estimated nonstop flight time
-11.7h
time difference · heading north
See live KTM→APA fares Phone-only fares on this route — call free
Flight time details
7,743 miles nonstop takes roughly 15h 39m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 11.7-hour time set-back when reading arrival times on your ticket.
The two airports
- KTM — Tribhuvan International Airport · Kathmandu, Nepal
- APA — Centennial Airport · Denver, United States
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 KTM
- SIF · Simara Airport44 mi away
- RHP · Ramechhap Airport48 mi away
- BHR · Bharatpur Airport57 mi away
- MEY · Meghauli Airport70 mi away
Near APA
- DEN · Denver International Airport22 mi away
- BFK · Buckley Air Force Base10 mi away
- BJC · Rocky Mountain Metropolitan Airport27 mi away
- WBU · Boulder Municipal Airport38 mi away
Frequently asked questions
How far is KTM from APA?
The flight distance from Kathmandu (KTM) to Denver (APA) is 7,743 miles (12,461 km, 6,728 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KTM to APA?
A nonstop flight takes about 15h 39m 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 Kathmandu and Denver?
Denver is 11.7 hours behind Kathmandu.
What is the cheapest way to fly from KTM to APA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KTM–APA that never appear on search engines, with no booking fees.