Need help booking?
Unpublished phone-only deals available
YRO to OSF: distance & flight time
Ottawa (Ottawa / Rockcliffe Airport) → Moscow (Ostafyevo International Airport)
4,453 mi
7,166 km · 3,869 nm
9h 12m
estimated nonstop flight time
—
time difference · heading northeast
See live YRO→OSF fares Phone-only fares on this route — call free
Flight time details
4,453 miles nonstop takes roughly 9h 12m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- YRO — Ottawa / Rockcliffe Airport · Ottawa, Canada
- OSF — Ostafyevo International Airport · Moscow, Russia
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 YRO
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
Frequently asked questions
How far is YRO from OSF?
The flight distance from Ottawa (YRO) to Moscow (OSF) is 4,453 miles (7,166 km, 3,869 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YRO to OSF?
A nonstop flight takes about 9h 12m 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 cheapest way to fly from YRO to OSF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YRO–OSF that never appear on search engines, with no booking fees.