Need help booking?
Unpublished phone-only deals available
SEP to GNI: distance & flight time
Stephenville (Stephenville Clark Regional Airport) → Green Island (Lyudao Airport)
7,829 mi
12,599 km · 6,803 nm
15h 49m
estimated nonstop flight time
+13h
time difference · heading northwest
See live SEP→GNI fares Phone-only fares on this route — call free
Flight time details
7,829 miles nonstop takes roughly 15h 49m gate to gate, flying northwest. 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
- SEP — Stephenville Clark Regional Airport · Stephenville, United States
- GNI — Lyudao Airport · Green Island, Taiwan
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 SEP
- MWL · Mineral Wells Airport40 mi away
- DFW · Dallas Fort Worth International Airport81 mi away
- BKD · Stephens County Airport54 mi away
- FWH · NAS Fort Worth JRB/Carswell Field57 mi away
Near GNI
- TTT · Taitung Airport24 mi away
- KYD · Lanyu Airport45 mi away
- PIF · Pingtung North Airport63 mi away
- HCN · Hengchun Airport64 mi away
Frequently asked questions
How far is SEP from GNI?
The flight distance from Stephenville (SEP) to Green Island (GNI) is 7,829 miles (12,599 km, 6,803 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SEP to GNI?
A nonstop flight takes about 15h 49m 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 Stephenville and Green Island?
Green Island is 13 hours ahead of Stephenville.
What is the cheapest way to fly from SEP to GNI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SEP–GNI that never appear on search engines, with no booking fees.