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FRI to SOF: distance & flight time
Fort Riley (Marshall Army Air Field) → Sofia (Sofia Airport)
5,661 mi
9,110 km · 4,919 nm
11h 34m
estimated nonstop flight time
+8h
time difference · heading northeast
See live FRI→SOF fares Phone-only fares on this route — call free
Flight time details
5,661 miles nonstop takes roughly 11h 34m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 8-hour time gain when reading arrival times on your ticket.
The two airports
- FRI — Marshall Army Air Field · Fort Riley, 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 FRI
- MHK · Manhattan Regional Airport8 mi away
- SLN · Salina Municipal Airport51 mi away
- EMP · Emporia Municipal Airport59 mi away
- FOE · Topeka Regional Airport - Forbes Field60 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 FRI from SOF?
The flight distance from Fort Riley (FRI) to Sofia (SOF) is 5,661 miles (9,110 km, 4,919 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FRI to SOF?
A nonstop flight takes about 11h 34m 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 Fort Riley and Sofia?
Sofia is 8 hours ahead of Fort Riley.
What is the cheapest way to fly from FRI to SOF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FRI–SOF that never appear on search engines, with no booking fees.