Need help booking?
Unpublished phone-only deals available
HDI to SOF: distance & flight time
Cleveland (Hardwick Field) → Sofia (Sofia Airport)
5,409 mi
8,704 km · 4,700 nm
11h 4m
estimated nonstop flight time
+7h
time difference · heading northeast
See live HDI→SOF fares Phone-only fares on this route — call free
Flight time details
5,409 miles nonstop takes roughly 11h 4m 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
- HDI — Hardwick Field · Cleveland, 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 HDI
- MMI · McMinn County Airport20 mi away
- CHA · Lovell Field25 mi away
- DNN · Dalton Municipal Airport34 mi away
- APT · Marion County Brown Field44 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 HDI from SOF?
The flight distance from Cleveland (HDI) to Sofia (SOF) is 5,409 miles (8,704 km, 4,700 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HDI to SOF?
A nonstop flight takes about 11h 4m 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 Cleveland and Sofia?
Sofia is 7 hours ahead of Cleveland.
What is the cheapest way to fly from HDI to SOF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HDI–SOF that never appear on search engines, with no booking fees.