Need help booking?
Unpublished phone-only deals available
KKS to WBU: distance & flight time
Kashan (Kashan Airport) → Boulder (Boulder Municipal Airport)
7,118 mi
11,456 km · 6,186 nm
14h 25m
estimated nonstop flight time
-9.5h
time difference · heading north
See live KKS→WBU fares Phone-only fares on this route — call free
Flight time details
7,118 miles nonstop takes roughly 14h 25m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 9.5-hour time set-back when reading arrival times on your ticket.
The two airports
- KKS — Kashan Airport · Kashan, Iran
- WBU — Boulder Municipal Airport · Boulder, 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 KKS
- IFH · Hesa Airport67 mi away
- IFN · Esfahan Shahid Beheshti International Airport81 mi away
- AJK · Arak Airport100 mi away
- IKA · Imam Khomeini International Airport108 mi away
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
Frequently asked questions
How far is KKS from WBU?
The flight distance from Kashan (KKS) to Boulder (WBU) is 7,118 miles (11,456 km, 6,186 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KKS to WBU?
A nonstop flight takes about 14h 25m 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 Kashan and Boulder?
Boulder is 9.5 hours behind Kashan.
What is the cheapest way to fly from KKS to WBU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KKS–WBU that never appear on search engines, with no booking fees.