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CMN to HLN: distance & flight time
Casablanca (Mohammed V International Airport) → Helena (Helena Regional Airport)
5,189 mi
8,351 km · 4,509 nm
10h 39m
estimated nonstop flight time
-7h
time difference · heading northwest
See live CMN→HLN fares Phone-only fares on this route — call free
Flight time details
5,189 miles nonstop takes roughly 10h 39m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7-hour time set-back when reading arrival times on your ticket.
The two airports
- CMN — Mohammed V International Airport · Casablanca, Morocco
- HLN — Helena Regional Airport · Helena, 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 CMN
- GMD · Ben Slimane Airport29 mi away
- RBA · Rabat-Salé Airport67 mi away
- NNA · Kenitra Airport86 mi away
- BEM · Beni Mellal Airport100 mi away
Near HLN
- BTM · Bert Mooney Airport51 mi away
- GTF · Great Falls International Airport67 mi away
- BZN · Gallatin Field70 mi away
- LVM · Mission Field97 mi away
Frequently asked questions
How far is CMN from HLN?
The flight distance from Casablanca (CMN) to Helena (HLN) is 5,189 miles (8,351 km, 4,509 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CMN to HLN?
A nonstop flight takes about 10h 39m 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 Casablanca and Helena?
Helena is 7 hours behind Casablanca.
What is the cheapest way to fly from CMN to HLN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CMN–HLN that never appear on search engines, with no booking fees.