Need help booking?
Unpublished phone-only deals available
WBU to KLF: distance & flight time
Boulder (Boulder Municipal Airport) → Kaluga (Grabtsevo Airport)
5,518 mi
8,880 km · 4,795 nm
11h 17m
estimated nonstop flight time
+9h
time difference · heading north
See live WBU→KLF fares Phone-only fares on this route — call free
Flight time details
5,518 miles nonstop takes roughly 11h 17m 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
- KLF — Grabtsevo Airport · Kaluga, 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 KLF
- VKO · Vnukovo International Airport80 mi away
- OSF · Ostafyevo International Airport80 mi away
- DME · Domodedovo International Airport85 mi away
- ZIA · Zhukovsky International Airport99 mi away
Frequently asked questions
How far is WBU from KLF?
The flight distance from Boulder (WBU) to Kaluga (KLF) is 5,518 miles (8,880 km, 4,795 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from WBU to KLF?
A nonstop flight takes about 11h 17m 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 Kaluga?
Kaluga is 9 hours ahead of Boulder.
What is the cheapest way to fly from WBU to KLF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on WBU–KLF that never appear on search engines, with no booking fees.