Need help booking?
Unpublished phone-only deals available
RAL to MMB: distance & flight time
Riverside (Riverside Municipal Airport) → Memanbetsu (Memanbetsu Airport)
5,013 mi
8,067 km · 4,356 nm
10h 18m
estimated nonstop flight time
+16h
time difference · heading northwest
See live RAL→MMB fares Phone-only fares on this route — call free
Flight time details
5,013 miles nonstop takes roughly 10h 18m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 16-hour time gain when reading arrival times on your ticket.
The two airports
- RAL — Riverside Municipal Airport · Riverside, United States
- MMB — Memanbetsu Airport · Memanbetsu, 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 RAL
- ONT · Ontario International Airport11 mi away
- CNO · Chino Airport11 mi away
- RIV · March ARB Airport12 mi away
- LAX · Los Angeles International Airport55 mi away
Near MMB
- SHB · Nakashibetsu Airport45 mi away
- MBE · Monbetsu Airport48 mi away
- KUH · Kushiro Airport58 mi away
- DEE · Mendeleyevo Airport76 mi away
Frequently asked questions
How far is RAL from MMB?
The flight distance from Riverside (RAL) to Memanbetsu (MMB) is 5,013 miles (8,067 km, 4,356 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RAL to MMB?
A nonstop flight takes about 10h 18m 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 Memanbetsu?
Memanbetsu is 16 hours ahead of Riverside.
What is the cheapest way to fly from RAL to MMB?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RAL–MMB that never appear on search engines, with no booking fees.