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INT to SOF: distance & flight time
Winston-salem (Smith Reynolds Airport) → Sofia (Sofia Airport)
5,177 mi
8,332 km · 4,499 nm
10h 37m
estimated nonstop flight time
+7h
time difference · heading northeast
See live INT→SOF fares Phone-only fares on this route — call free
Flight time details
5,177 miles nonstop takes roughly 10h 37m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7-hour time gain when reading arrival times on your ticket.
The two airports
- INT — Smith Reynolds Airport · Winston-salem, 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 INT
- GSO · Piedmont Triad International Airport16 mi away
- CLT · Charlotte Douglas International Airport75 mi away
- SVH · Statesville Regional Airport48 mi away
- IKB · Wilkes County Airport49 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 INT from SOF?
The flight distance from Winston-salem (INT) to Sofia (SOF) is 5,177 miles (8,332 km, 4,499 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from INT to SOF?
A nonstop flight takes about 10h 37m 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 Winston-salem and Sofia?
Sofia is 7 hours ahead of Winston-salem.
What is the cheapest way to fly from INT to SOF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on INT–SOF that never appear on search engines, with no booking fees.