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OSF to DCA: distance & flight time
Moscow (Ostafyevo International Airport) → Washington (Ronald Reagan Washington National Airport)
4,871 mi
7,839 km · 4,233 nm
10h 1m
estimated nonstop flight time
-7h
time difference · heading northwest
See live OSF→DCA fares Phone-only fares on this route — call free
Flight time details
4,871 miles nonstop takes roughly 10h 1m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7-hour time set-back when reading arrival times on your ticket.
The two airports
- OSF — Ostafyevo International Airport · Moscow, Russia
- 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 OSF
- VKO · Vnukovo International Airport11 mi away
- DME · Domodedovo International Airport17 mi away
- BKA · Bykovo Airport23 mi away
- ZIA · Zhukovsky International Airport25 mi away
Near DCA
Frequently asked questions
How far is OSF from DCA?
The flight distance from Moscow (OSF) to Washington (DCA) is 4,871 miles (7,839 km, 4,233 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSF to DCA?
A nonstop flight takes about 10h 1m 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 Moscow and Washington?
Washington is 7 hours behind Moscow.
What is the cheapest way to fly from OSF to DCA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSF–DCA that never appear on search engines, with no booking fees.