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MMB to RIW: distance & flight time
Memanbetsu (Memanbetsu Airport) → Riverton WY (Riverton Regional Airport)
4,945 mi
7,959 km · 4,297 nm
10h 10m
estimated nonstop flight time
-15h
time difference · heading northeast
See live MMB→RIW fares Phone-only fares on this route — call free
Flight time details
4,945 miles nonstop takes roughly 10h 10m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 15-hour time set-back when reading arrival times on your ticket.
The two airports
- MMB — Memanbetsu Airport · Memanbetsu, Japan
- RIW — Riverton Regional Airport · Riverton WY, 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 MMB
- SHB · Nakashibetsu Airport45 mi away
- MBE · Monbetsu Airport48 mi away
- KUH · Kushiro Airport58 mi away
- DEE · Mendeleyevo Airport76 mi away
Near RIW
- LND · Hunt Field22 mi away
- WRL · Worland Municipal Airport67 mi away
- PWY · Ralph Wenz Field71 mi away
- BPI · Miley Memorial Field90 mi away
Frequently asked questions
How far is MMB from RIW?
The flight distance from Memanbetsu (MMB) to Riverton WY (RIW) is 4,945 miles (7,959 km, 4,297 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from MMB to RIW?
A nonstop flight takes about 10h 10m 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 Memanbetsu and Riverton WY?
Riverton WY is 15 hours behind Memanbetsu.
What is the cheapest way to fly from MMB to RIW?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on MMB–RIW that never appear on search engines, with no booking fees.