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SOF to PAO: distance & flight time
Sofia (Sofia Airport) → Palo Alto (Palo Alto Airport of Santa Clara County)
6,490 mi
10,444 km · 5,639 nm
13h 11m
estimated nonstop flight time
-10h
time difference · heading northwest
See live SOF→PAO fares Phone-only fares on this route — call free
Flight time details
6,490 miles nonstop takes roughly 13h 11m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 10-hour time set-back when reading arrival times on your ticket.
The two airports
- SOF — Sofia Airport · Sofia, Bulgaria
- PAO — Palo Alto Airport of Santa Clara County · Palo Alto, 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 PAO
- SFO · San Francisco International Airport18 mi away
- NUQ · Moffett Federal Airfield5 mi away
- SQL · San Carlos Airport8 mi away
- SJC · Norman Y. Mineta San Jose International Airport12 mi away
Frequently asked questions
How far is SOF from PAO?
The flight distance from Sofia (SOF) to Palo Alto (PAO) is 6,490 miles (10,444 km, 5,639 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SOF to PAO?
A nonstop flight takes about 13h 11m 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 Palo Alto?
Palo Alto is 10 hours behind Sofia.
What is the cheapest way to fly from SOF to PAO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SOF–PAO that never appear on search engines, with no booking fees.