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GAI to HLH: distance & flight time
Gaithersburg (Montgomery County Airpark) → Ulanhot (Ulanhot Airport)
6,421 mi
10,333 km · 5,579 nm
13h 3m
estimated nonstop flight time
+13h
time difference · heading north
See live GAI→HLH fares Phone-only fares on this route — call free
Flight time details
6,421 miles nonstop takes roughly 13h 3m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 13-hour time gain when reading arrival times on your ticket.
The two airports
- GAI — Montgomery County Airpark · Gaithersburg, United States
- 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 GAI
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 GAI from HLH?
The flight distance from Gaithersburg (GAI) to Ulanhot (HLH) is 6,421 miles (10,333 km, 5,579 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GAI to HLH?
A nonstop flight takes about 13h 3m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from GAI to HLH?
Nonstop service on GAI–HLH depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 13h 3m nonstop estimate.
What is the time difference between Gaithersburg and Ulanhot?
Ulanhot is 13 hours ahead of Gaithersburg.
What is the cheapest way to fly from GAI to HLH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GAI–HLH that never appear on search engines, with no booking fees.
Why are some GAI to HLH fares phone-only?
Consolidator contracts let us sell certain GAI–HLH tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.