Need help booking?
Unpublished phone-only deals available
TNN to ZHI: distance & flight time
Tainan (Tainan Airport) → Grenchen (Grenchen Airport)
6,046 mi
9,730 km · 5,254 nm
12h 19m
estimated nonstop flight time
-6h
time difference · heading northwest
See live TNN→ZHI fares Phone-only fares on this route — call free
Flight time details
6,046 miles nonstop takes roughly 12h 19m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time set-back when reading arrival times on your ticket.
The two airports
- TNN — Tainan Airport · Tainan, Taiwan
- ZHI — Grenchen Airport · Grenchen, Switzerland
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 TNN
- PIF · Pingtung North Airport25 mi away
- KHH · Kaohsiung International Airport27 mi away
- CYI · Chiayi Airport37 mi away
- WOT · Wang-an Airport53 mi away
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
Frequently asked questions
How far is TNN from ZHI?
The flight distance from Tainan (TNN) to Grenchen (ZHI) is 6,046 miles (9,730 km, 5,254 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from TNN to ZHI?
A nonstop flight takes about 12h 19m 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 TNN to ZHI?
Nonstop service on TNN–ZHI 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 12h 19m nonstop estimate.
What is the time difference between Tainan and Grenchen?
Grenchen is 6 hours behind Tainan.
What is the cheapest way to fly from TNN to ZHI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on TNN–ZHI that never appear on search engines, with no booking fees.
Why are some TNN to ZHI fares phone-only?
Consolidator contracts let us sell certain TNN–ZHI 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.