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SFZ to SOF: distance & flight time
Smithfield (North Central State Airport) → Sofia (Sofia Airport)
4,562 mi
7,342 km · 3,964 nm
9h 25m
estimated nonstop flight time
+7h
time difference · heading northeast
See live SFZ→SOF fares Phone-only fares on this route — call free
Flight time details
4,562 miles nonstop takes roughly 9h 25m 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
- SFZ — North Central State Airport · Smithfield, 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 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
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 SFZ from SOF?
The flight distance from Smithfield (SFZ) to Sofia (SOF) 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 SFZ to SOF?
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 Smithfield and Sofia?
Sofia is 7 hours ahead of Smithfield.
What is the cheapest way to fly from SFZ to SOF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SFZ–SOF that never appear on search engines, with no booking fees.