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SIF to KLS: distance & flight time
Simara (Simara Airport) → Kelso (Southwest Washington Regional Airport)
7,081 mi
11,396 km · 6,153 nm
14h 21m
estimated nonstop flight time
-12.7h
time difference · heading north
See live SIF→KLS fares Phone-only fares on this route — call free
Flight time details
7,081 miles nonstop takes roughly 14h 21m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 12.7-hour time set-back when reading arrival times on your ticket.
The two airports
- SIF — Simara Airport · Simara, Nepal
- KLS — Southwest Washington Regional Airport · Kelso, 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 SIF
- KTM · Tribhuvan International Airport44 mi away
- BHR · Bharatpur Airport49 mi away
- MEY · Meghauli Airport54 mi away
- JKR · Janakpur Airport66 mi away
Near KLS
- PDX · Portland International Airport39 mi away
- CLS · Chehalis Centralia Airport39 mi away
- HIO · Portland Hillsboro Airport40 mi away
- TTD · Portland Troutdale Airport46 mi away
Frequently asked questions
How far is SIF from KLS?
The flight distance from Simara (SIF) to Kelso (KLS) is 7,081 miles (11,396 km, 6,153 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SIF to KLS?
A nonstop flight takes about 14h 21m 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 Simara and Kelso?
Kelso is 12.7 hours behind Simara.
What is the cheapest way to fly from SIF to KLS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SIF–KLS that never appear on search engines, with no booking fees.