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RKD to SOF: distance & flight time
Rockland (Knox County Regional Airport) → Sofia (Sofia Airport)
4,378 mi
7,045 km · 3,804 nm
9h 3m
estimated nonstop flight time
+7h
time difference · heading northeast
See live RKD→SOF fares Phone-only fares on this route — call free
Flight time details
4,378 miles nonstop takes roughly 9h 3m 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
- RKD — Knox County Regional Airport · Rockland, 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 RKD
- AUG · Augusta State Airport39 mi away
- NHZ · Brunswick Executive Airport43 mi away
- BHB · Hancock County-Bar Harbor Airport45 mi away
- BGR · Bangor International Airport53 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 RKD from SOF?
The flight distance from Rockland (RKD) to Sofia (SOF) is 4,378 miles (7,045 km, 3,804 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RKD to SOF?
A nonstop flight takes about 9h 3m 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 Rockland and Sofia?
Sofia is 7 hours ahead of Rockland.
What is the cheapest way to fly from RKD to SOF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RKD–SOF that never appear on search engines, with no booking fees.