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WBU to OSF: distance & flight time
Boulder (Boulder Municipal Airport) → Moscow (Ostafyevo International Airport)
5,481 mi
8,820 km · 4,763 nm
11h 13m
estimated nonstop flight time
+9h
time difference · heading north
See live WBU→OSF fares Phone-only fares on this route — call free
Flight time details
5,481 miles nonstop takes roughly 11h 13m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 9-hour time gain when reading arrival times on your ticket.
The two airports
- WBU — Boulder Municipal Airport · Boulder, United States
- 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 WBU
- DEN · Denver International Airport32 mi away
- BJC · Rocky Mountain Metropolitan Airport11 mi away
- FNL · Northern Colorado Regional Airport31 mi away
- BFK · Buckley Air Force Base34 mi away
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 WBU from OSF?
The flight distance from Boulder (WBU) to Moscow (OSF) is 5,481 miles (8,820 km, 4,763 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from WBU to OSF?
A nonstop flight takes about 11h 13m 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 Boulder and Moscow?
Moscow is 9 hours ahead of Boulder.
What is the cheapest way to fly from WBU to OSF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on WBU–OSF that never appear on search engines, with no booking fees.