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STS to KTM: distance & flight time
Santa Rosa (Charles M. Schulz Sonoma County Airport) → Kathmandu (Tribhuvan International Airport)
7,514 mi
12,092 km · 6,529 nm
15h 12m
estimated nonstop flight time
+12.8h
time difference · heading northwest
See live STS→KTM fares Phone-only fares on this route — call free
Flight time details
7,514 miles nonstop takes roughly 15h 12m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 12.8-hour time gain when reading arrival times on your ticket.
The two airports
- STS — Charles M. Schulz Sonoma County Airport · Santa Rosa, 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 STS
- SFO · San Francisco International Airport66 mi away
- NOT · Marin County Airport - Gnoss Field29 mi away
- APC · Napa County Airport35 mi away
- UKI · Ukiah Municipal Airport47 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 STS from KTM?
The flight distance from Santa Rosa (STS) to Kathmandu (KTM) is 7,514 miles (12,092 km, 6,529 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from STS to KTM?
A nonstop flight takes about 15h 12m 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 Santa Rosa and Kathmandu?
Kathmandu is 12.8 hours ahead of Santa Rosa.
What is the cheapest way to fly from STS to KTM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on STS–KTM that never appear on search engines, with no booking fees.