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ASU to SFO: distance & flight time
Asuncion (Silvio Pettirossi International Airport) → San Francisco (San Francisco International Airport)
6,044 mi
9,726 km · 5,252 nm
12h 19m
estimated nonstop flight time
-4h
time difference · heading northwest
See live ASU→SFO fares Phone-only fares on this route — call free
Flight time details
6,044 miles nonstop takes roughly 12h 19m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 4-hour time set-back when reading arrival times on your ticket.
The two airports
- ASU — Silvio Pettirossi International Airport · Asuncion, Paraguay
- SFO — San Francisco International Airport · San Francisco, 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 ASU
- FMA · Formosa Airport80 mi away
- CIO · Teniente Col Carmelo Peralta Airport124 mi away
- PIL · Carlos Miguel Gimenez Airport124 mi away
Near SFO
- SQL · San Carlos Airport10 mi away
- HAF · Half Moon Bay Airport10 mi away
- OAK · Metropolitan Oakland International Airport11 mi away
- NGZ · Alameda Naval Air Station12 mi away
Frequently asked questions
How far is ASU from SFO?
The flight distance from Asuncion (ASU) to San Francisco (SFO) is 6,044 miles (9,726 km, 5,252 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ASU to SFO?
A nonstop flight takes about 12h 19m 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 Asuncion and San Francisco?
San Francisco is 4 hours behind Asuncion.
What is the cheapest way to fly from ASU to SFO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ASU–SFO that never appear on search engines, with no booking fees.