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SOF to NXX: distance & flight time
Sofia (Sofia Airport) → Willow Grove (Willow Grove Naval Air Station/Joint Reserve Base)
4,785 mi
7,701 km · 4,158 nm
9h 51m
estimated nonstop flight time
-7h
time difference · heading northwest
See live SOF→NXX fares Phone-only fares on this route — call free
Flight time details
4,785 miles nonstop takes roughly 9h 51m 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
- NXX — Willow Grove Naval Air Station/Joint Reserve Base · Willow Grove, 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 NXX
- PHL · Philadelphia International Airport23 mi away
- BBX · Wings Field8 mi away
- DYL · Doylestown Airport9 mi away
- PNE · Northeast Philadelphia Airport11 mi away
Frequently asked questions
How far is SOF from NXX?
The flight distance from Sofia (SOF) to Willow Grove (NXX) is 4,785 miles (7,701 km, 4,158 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SOF to NXX?
A nonstop flight takes about 9h 51m 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 Willow Grove?
Willow Grove is 7 hours behind Sofia.
What is the cheapest way to fly from SOF to NXX?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SOF–NXX that never appear on search engines, with no booking fees.