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THR to HLH: distance & flight time
Teheran (Mehrabad International Airport) → Ulanhot (Ulanhot Airport)
3,637 mi
5,853 km · 3,160 nm
7h 36m
estimated nonstop flight time
+4.5h
time difference · heading northeast
See live THR→HLH fares Phone-only fares on this route — call free
Flight time details
3,637 miles nonstop takes roughly 7h 36m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 4.5-hour time gain when reading arrival times on your ticket.
The two airports
- THR — Mehrabad International Airport · Teheran, Iran
- HLH — Ulanhot Airport · Ulanhot, China
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 HLH
- DBC · Baicheng Chang'an Airport68 mi away
- NDG · Qiqihar Sanjiazi Airport116 mi away
- NZL · Chengjisihan Airport121 mi away
- YIE · Arxan Yi'ershi Airport126 mi away
Frequently asked questions
How far is THR from HLH?
The flight distance from Teheran (THR) to Ulanhot (HLH) is 3,637 miles (5,853 km, 3,160 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from THR to HLH?
A nonstop flight takes about 7h 36m 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 Ulanhot?
Ulanhot is 4.5 hours ahead of Teheran.
What is the cheapest way to fly from THR to HLH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on THR–HLH that never appear on search engines, with no booking fees.