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TNN to SEE: distance & flight time
Tainan (Tainan Airport) → El Cajon (Gillespie Field)
7,048 mi
11,343 km · 6,125 nm
14h 17m
estimated nonstop flight time
-15h
time difference · heading northeast
See live TNN→SEE fares Phone-only fares on this route — call free
Flight time details
7,048 miles nonstop takes roughly 14h 17m 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
- TNN — Tainan Airport · Tainan, Taiwan
- SEE — Gillespie Field · El Cajon, 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 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 SEE
Frequently asked questions
How far is TNN from SEE?
The flight distance from Tainan (TNN) to El Cajon (SEE) is 7,048 miles (11,343 km, 6,125 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from TNN to SEE?
A nonstop flight takes about 14h 17m 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 Tainan and El Cajon?
El Cajon is 15 hours behind Tainan.
What is the cheapest way to fly from TNN to SEE?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on TNN–SEE that never appear on search engines, with no booking fees.