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AOO to SOF: distance & flight time
Altoona (Altoona Blair County Airport) → Sofia (Sofia Airport)
4,910 mi
7,901 km · 4,266 nm
10h 6m
estimated nonstop flight time
+7h
time difference · heading northeast
See live AOO→SOF fares Phone-only fares on this route — call free
Flight time details
4,910 miles nonstop takes roughly 10h 6m 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
- AOO — Altoona Blair County Airport · Altoona, 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 AOO
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 AOO from SOF?
The flight distance from Altoona (AOO) to Sofia (SOF) is 4,910 miles (7,901 km, 4,266 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from AOO to SOF?
A nonstop flight takes about 10h 6m 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 Altoona and Sofia?
Sofia is 7 hours ahead of Altoona.
What is the cheapest way to fly from AOO to SOF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on AOO–SOF that never appear on search engines, with no booking fees.