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RIV to LWT: distance & flight time
Riverside (March ARB Airport) → Lewistown (Lewistown Municipal Airport)
997 mi
1,604 km · 866 nm
2h 38m
estimated nonstop flight time
+1h
time difference · heading north
See live RIV→LWT fares Phone-only fares on this route — call free
Flight time details
997 miles nonstop takes roughly 2h 38m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- RIV — March ARB Airport · Riverside, United States
- LWT — Lewistown Municipal Airport · Lewistown, 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 RIV
- RAL · Riverside Municipal Airport12 mi away
- SBD · San Bernardino International Airport15 mi away
- RBK · French Valley Airport22 mi away
- ONT · Ontario International Airport23 mi away
Near LWT
- GTF · Great Falls International Airport94 mi away
- BIL · Billings Logan International Airport96 mi away
- HVR · Havre City County Airport104 mi away
- LVM · Mission Field104 mi away
Frequently asked questions
How far is RIV from LWT?
The flight distance from Riverside (RIV) to Lewistown (LWT) is 997 miles (1,604 km, 866 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RIV to LWT?
A nonstop flight takes about 2h 38m 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 Riverside and Lewistown?
Lewistown is 1 hour ahead of Riverside.
What is the cheapest way to fly from RIV to LWT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RIV–LWT that never appear on search engines, with no booking fees.