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HLH to STS: distance & flight time
Ulanhot (Ulanhot Airport) → Santa Rosa (Charles M. Schulz Sonoma County Airport)
5,345 mi
8,601 km · 4,644 nm
10h 57m
estimated nonstop flight time
-15h
time difference · heading northeast
See live HLH→STS fares Phone-only fares on this route — call free
Flight time details
5,345 miles nonstop takes roughly 10h 57m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 15-hour time set-back when reading arrival times on your ticket.
The two airports
- HLH — Ulanhot Airport · Ulanhot, China
- STS — Charles M. Schulz Sonoma County Airport · Santa Rosa, 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 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
Near STS
- SFO · San Francisco International Airport66 mi away
- NOT · Marin County Airport - Gnoss Field29 mi away
- APC · Napa County Airport35 mi away
- UKI · Ukiah Municipal Airport47 mi away
Frequently asked questions
How far is HLH from STS?
The flight distance from Ulanhot (HLH) to Santa Rosa (STS) is 5,345 miles (8,601 km, 4,644 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HLH to STS?
A nonstop flight takes about 10h 57m 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 Ulanhot and Santa Rosa?
Santa Rosa is 15 hours behind Ulanhot.
What is the cheapest way to fly from HLH to STS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HLH–STS that never appear on search engines, with no booking fees.