Need help booking?

Unpublished phone-only deals available

ROA to OSR: distance & flight time

Roanoke VA (Roanoke–Blacksburg Regional Airport) → Ostrava (Ostrava Leos Janáček Airport)

4,632 mi
7,455 km · 4,025 nm
9h 33m
estimated nonstop flight time
+6h
time difference · heading northeast
See live ROAOSR fares Phone-only fares on this route — call free

Flight time details

4,632 miles nonstop takes roughly 9h 33m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time gain when reading arrival times on your ticket.

The two airports

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.

Frequently asked questions

How far is ROA from OSR?

The flight distance from Roanoke VA (ROA) to Ostrava (OSR) is 4,632 miles (7,455 km, 4,025 nautical miles), measured along the great-circle route airlines actually fly.

How long is the flight from ROA to OSR?

A nonstop flight takes about 9h 33m 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 Roanoke VA and Ostrava?

Ostrava is 6 hours ahead of Roanoke VA.

What is the cheapest way to fly from ROA to OSR?

Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ROA–OSR that never appear on search engines, with no booking fees.
Keep exploring:OSR to ROA Airports near ROA Airports near OSR Time difference ROAOSR Distance calculator