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ASH to SOF: distance & flight time
Nashua (Boire Field) → Sofia (Sofia Airport)
4,528 mi
7,286 km · 3,934 nm
9h 21m
estimated nonstop flight time
+7h
time difference · heading northeast
See live ASH→SOF fares Phone-only fares on this route — call free
Flight time details
4,528 miles nonstop takes roughly 9h 21m 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
- ASH — Boire Field · Nashua, 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 ASH
- BOS · General Edward Lawrence Logan International Airport39 mi away
- MHT · Manchester-Boston Regional Airport11 mi away
- LWM · Lawrence Municipal Airport20 mi away
- BED · Laurence G Hanscom Field24 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 ASH from SOF?
The flight distance from Nashua (ASH) to Sofia (SOF) is 4,528 miles (7,286 km, 3,934 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ASH to SOF?
A nonstop flight takes about 9h 21m 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 Nashua and Sofia?
Sofia is 7 hours ahead of Nashua.
What is the cheapest way to fly from ASH to SOF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ASH–SOF that never appear on search engines, with no booking fees.