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RIV to SOF: distance & flight time
Riverside (March ARB Airport) → Sofia (Sofia Airport)
6,591 mi
10,607 km · 5,727 nm
13h 23m
estimated nonstop flight time
+10h
time difference · heading northeast
See live RIV→SOF fares Phone-only fares on this route — call free
Flight time details
6,591 miles nonstop takes roughly 13h 23m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 10-hour time gain when reading arrival times on your ticket.
The two airports
- RIV — March ARB Airport · Riverside, 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 RIV
- RAL · Riverside Municipal Airport12 mi away
- SBD · San Bernardino International Airport15 mi away
- RBK · French Valley Airport22 mi away
- ONT · Ontario International Airport23 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 RIV from SOF?
The flight distance from Riverside (RIV) to Sofia (SOF) is 6,591 miles (10,607 km, 5,727 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RIV to SOF?
A nonstop flight takes about 13h 23m 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 Riverside and Sofia?
Sofia is 10 hours ahead of Riverside.
What is the cheapest way to fly from RIV to SOF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RIV–SOF that never appear on search engines, with no booking fees.