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SOF to SFZ: distance & flight time
Sofia (Sofia Airport) → Smithfield (North Central State Airport)
4,562 mi
7,342 km · 3,964 nm
9h 25m
estimated nonstop flight time
-7h
time difference · heading northwest
See live SOF→SFZ fares Phone-only fares on this route — call free
Flight time details
4,562 miles nonstop takes roughly 9h 25m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7-hour time set-back when reading arrival times on your ticket.
The two airports
- SOF — Sofia Airport · Sofia, Bulgaria
- SFZ — North Central State Airport · Smithfield, 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 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
Near SFZ
- BOS · General Edward Lawrence Logan International Airport39 mi away
- PVD · Theodore Francis Green State Airport14 mi away
- NCO · Quonset State Airport23 mi away
- OWD · Norwood Memorial Airport25 mi away
Frequently asked questions
How far is SOF from SFZ?
The flight distance from Sofia (SOF) to Smithfield (SFZ) is 4,562 miles (7,342 km, 3,964 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SOF to SFZ?
A nonstop flight takes about 9h 25m 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 Sofia and Smithfield?
Smithfield is 7 hours behind Sofia.
What is the cheapest way to fly from SOF to SFZ?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SOF–SFZ that never appear on search engines, with no booking fees.