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THR to HIO: distance & flight time
Teheran (Mehrabad International Airport) → Hillsboro (Portland Hillsboro Airport)
6,813 mi
10,964 km · 5,920 nm
13h 50m
estimated nonstop flight time
-10.5h
time difference · heading north
See live THR→HIO fares Phone-only fares on this route — call free
Flight time details
6,813 miles nonstop takes roughly 13h 50m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 10.5-hour time set-back when reading arrival times on your ticket.
The two airports
- THR — Mehrabad International Airport · Teheran, Iran
- HIO — Portland Hillsboro Airport · Hillsboro, 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 THR
- IKA · Imam Khomeini International Airport21 mi away
- PYK · Payam International Airport28 mi away
- NSH · Noshahr Airport68 mi away
- GZW · Qazvin Airport80 mi away
Near HIO
- PDX · Portland International Airport17 mi away
- TTD · Portland Troutdale Airport27 mi away
- KLS · Southwest Washington Regional Airport40 mi away
- OTK · Tillamook Airport43 mi away
Frequently asked questions
How far is THR from HIO?
The flight distance from Teheran (THR) to Hillsboro (HIO) is 6,813 miles (10,964 km, 5,920 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from THR to HIO?
A nonstop flight takes about 13h 50m 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 Teheran and Hillsboro?
Hillsboro is 10.5 hours behind Teheran.
What is the cheapest way to fly from THR to HIO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on THR–HIO that never appear on search engines, with no booking fees.