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RNT to SEP: distance & flight time
Renton (Renton Municipal Airport) → Stephenville (Stephenville Clark Regional Airport)
1,643 mi
2,645 km · 1,428 nm
3h 41m
estimated nonstop flight time
+2h
time difference · heading southeast
See live RNT→SEP fares Phone-only fares on this route — call free
Flight time details
1,643 miles nonstop takes roughly 3h 41m gate to gate, flying southeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time gain when reading arrival times on your ticket.
The two airports
- RNT — Renton Municipal Airport · Renton, United States
- SEP — Stephenville Clark Regional Airport · Stephenville, 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 RNT
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
Frequently asked questions
How far is RNT from SEP?
The flight distance from Renton (RNT) to Stephenville (SEP) is 1,643 miles (2,645 km, 1,428 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RNT to SEP?
A nonstop flight takes about 3h 41m 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 Renton and Stephenville?
Stephenville is 2 hours ahead of Renton.
What is the cheapest way to fly from RNT to SEP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RNT–SEP that never appear on search engines, with no booking fees.