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CLS to SOF: distance & flight time
Chehalis (Chehalis Centralia Airport) → Sofia (Sofia Airport)
5,928 mi
9,540 km · 5,151 nm
12h 5m
estimated nonstop flight time
+10h
time difference · heading northeast
See live CLS→SOF fares Phone-only fares on this route — call free
Flight time details
5,928 miles nonstop takes roughly 12h 5m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 10-hour time gain when reading arrival times on your ticket.
The two airports
- CLS — Chehalis Centralia Airport · Chehalis, United States
- SOF — Sofia Airport · Sofia, Bulgaria
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 CLS
- OLM · Olympia Regional Airport21 mi away
- SEA · Seattle Tacoma International Airport62 mi away
- GRF · Gray Army Air Field34 mi away
- KLS · Southwest Washington Regional Airport39 mi away
Near SOF
- PDV · Plovdiv International Airport85 mi away
- INI · Nis Airport90 mi away
- SKP · Skopje Alexander the Great Airport105 mi away
- CRA · Craiova Airport115 mi away
Frequently asked questions
How far is CLS from SOF?
The flight distance from Chehalis (CLS) to Sofia (SOF) is 5,928 miles (9,540 km, 5,151 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CLS to SOF?
A nonstop flight takes about 12h 5m 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 Chehalis and Sofia?
Sofia is 10 hours ahead of Chehalis.
What is the cheapest way to fly from CLS to SOF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CLS–SOF that never appear on search engines, with no booking fees.