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ZHI to UNN: distance & flight time
Grenchen (Grenchen Airport) → Ranong (Ranong Airport)
5,778 mi
9,299 km · 5,021 nm
11h 48m
estimated nonstop flight time
+5h
time difference · heading east
See live ZHI→UNN fares Phone-only fares on this route — call free
Flight time details
5,778 miles nonstop takes roughly 11h 48m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 5-hour time gain when reading arrival times on your ticket.
The two airports
- ZHI — Grenchen Airport · Grenchen, Switzerland
- UNN — Ranong Airport · Ranong, Thailand
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 ZHI
- BRN · Bern Belp Airport19 mi away
- BSL · EuroAirport Basel-Mulhouse-Freiburg Airport29 mi away
- QNC · Neuchatel Airport30 mi away
- BOR · Fontaine Airport38 mi away
Near UNN
- KAW · Kawthoung Airport19 mi away
- URT · Surat Thani Airport58 mi away
- CJM · Chumphon Airport83 mi away
- VBP · Bokpyinn Airport95 mi away
Frequently asked questions
How far is ZHI from UNN?
The flight distance from Grenchen (ZHI) to Ranong (UNN) is 5,778 miles (9,299 km, 5,021 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ZHI to UNN?
A nonstop flight takes about 11h 48m 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 ZHI to UNN?
Nonstop service on ZHI–UNN 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 11h 48m nonstop estimate.
What is the time difference between Grenchen and Ranong?
Ranong is 5 hours ahead of Grenchen.
What is the cheapest way to fly from ZHI to UNN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ZHI–UNN that never appear on search engines, with no booking fees.
Why are some ZHI to UNN fares phone-only?
Consolidator contracts let us sell certain ZHI–UNN 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.