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RKS to MER: distance & flight time
Rock Springs (Southwest Wyoming Regional Airport) → Merced (Castle Airport)
678 mi
1,091 km · 589 nm
1h 56m
estimated nonstop flight time
-1h
time difference · heading west
See live RKS→MER fares Phone-only fares on this route — call free
Flight time details
678 miles nonstop takes roughly 1h 56m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- RKS — Southwest Wyoming Regional Airport · Rock Springs, United States
- MER — Castle Airport · Merced, 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 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 MER
- MCE · Merced Regional Macready Field7 mi away
- MOD · Modesto City Co-Harry Sham Field27 mi away
- RMY · Mariposa Yosemite Airport30 mi away
- MAE · Madera Municipal Airport37 mi away
Frequently asked questions
How far is RKS from MER?
The flight distance from Rock Springs (RKS) to Merced (MER) is 678 miles (1,091 km, 589 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RKS to MER?
A nonstop flight takes about 1h 56m 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 RKS to MER?
Nonstop service on RKS–MER 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 1h 56m nonstop estimate.
What is the time difference between Rock Springs and Merced?
Merced is 1 hour behind Rock Springs.
What is the cheapest way to fly from RKS to MER?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RKS–MER that never appear on search engines, with no booking fees.
Why are some RKS to MER fares phone-only?
Consolidator contracts let us sell certain RKS–MER 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.