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OSR to DCA: distance & flight time
Ostrava (Ostrava Leos Janáček Airport) → Washington (Ronald Reagan Washington National Airport)
4,445 mi
7,153 km · 3,862 nm
9h 11m
estimated nonstop flight time
-6h
time difference · heading northwest
See live OSR→DCA fares Phone-only fares on this route — call free
Flight time details
4,445 miles nonstop takes roughly 9h 11m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time set-back when reading arrival times on your ticket.
The two airports
- OSR — Ostrava Leos Janáček Airport · Ostrava, Czech Republic
- DCA — Ronald Reagan Washington National Airport · Washington, United States
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 OSR
- PRV · Přerov Air Base37 mi away
- ILZ · Žilina Airport39 mi away
- UHE · Kunovice Airport55 mi away
- KTW · Katowice International Airport69 mi away
Near DCA
Frequently asked questions
How far is OSR from DCA?
The flight distance from Ostrava (OSR) to Washington (DCA) is 4,445 miles (7,153 km, 3,862 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSR to DCA?
A nonstop flight takes about 9h 11m 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 Ostrava and Washington?
Washington is 6 hours behind Ostrava.
What is the cheapest way to fly from OSR to DCA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSR–DCA that never appear on search engines, with no booking fees.