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DEN to THR: distance & flight time
Denver (Denver International Airport) → Teheran (Mehrabad International Airport)
6,998 mi
11,262 km · 6,081 nm
14h 11m
estimated nonstop flight time
+9.5h
time difference · heading north
See live DEN→THR fares Phone-only fares on this route — call free
Flight time details
6,998 miles nonstop takes roughly 14h 11m 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 gain when reading arrival times on your ticket.
The two airports
- DEN — Denver International Airport · Denver, United States
- THR — Mehrabad International Airport · Teheran, Iran
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 DEN
- BFK · Buckley Air Force Base12 mi away
- APA · Centennial Airport22 mi away
- BJC · Rocky Mountain Metropolitan Airport24 mi away
- WBU · Boulder Municipal Airport32 mi away
Near THR
- IKA · Imam Khomeini International Airport21 mi away
- PYK · Payam International Airport28 mi away
- NSH · Noshahr Airport68 mi away
- GZW · Qazvin Airport80 mi away
Frequently asked questions
How far is DEN from THR?
The flight distance from Denver (DEN) to Teheran (THR) is 6,998 miles (11,262 km, 6,081 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DEN to THR?
A nonstop flight takes about 14h 11m 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 Denver and Teheran?
Teheran is 9.5 hours ahead of Denver.
What is the cheapest way to fly from DEN to THR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DEN–THR that never appear on search engines, with no booking fees.