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RKS to SYO: distance & flight time
Rock Springs (Southwest Wyoming Regional Airport) → Shonai (Shonai Airport)
5,398 mi
8,687 km · 4,690 nm
11h 3m
estimated nonstop flight time
+15h
time difference · heading northwest
See live RKS→SYO fares Phone-only fares on this route — call free
Flight time details
5,398 miles nonstop takes roughly 11h 3m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 15-hour time gain when reading arrival times on your ticket.
The two airports
- RKS — Southwest Wyoming Regional Airport · Rock Springs, United States
- SYO — Shonai Airport · Shonai, Japan
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 RKS
- FBR · Fort Bridger Airport71 mi away
- VEL · Vernal Regional Airport83 mi away
- LND · Hunt Field86 mi away
- BPI · Miley Memorial Field87 mi away
Near SYO
- GAJ · Yamagata Airport42 mi away
- AXT · Akita Airport60 mi away
- KIJ · Niigata Airport69 mi away
- SDJ · Sendai Airport77 mi away
Frequently asked questions
How far is RKS from SYO?
The flight distance from Rock Springs (RKS) to Shonai (SYO) is 5,398 miles (8,687 km, 4,690 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RKS to SYO?
A nonstop flight takes about 11h 3m 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 Rock Springs and Shonai?
Shonai is 15 hours ahead of Rock Springs.
What is the cheapest way to fly from RKS to SYO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RKS–SYO that never appear on search engines, with no booking fees.