Need help booking?
Unpublished phone-only deals available
CAH to HLN: distance & flight time
Ca Mau (Cà Mau Airport) → Helena (Helena Regional Airport)
7,954 mi
12,801 km · 6,912 nm
16h 4m
estimated nonstop flight time
-13h
time difference · heading northeast
See live CAH→HLN fares Phone-only fares on this route — call free
Flight time details
7,954 miles nonstop takes roughly 16h 4m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 13-hour time set-back when reading arrival times on your ticket.
The two airports
- CAH — Cà Mau Airport · Ca Mau, Vietnam
- 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 CAH
- VKG · Rach Gia Airport54 mi away
- VCA · Can Tho International Airport72 mi away
- VCS · Co Ong Airport104 mi away
- PQC · Phu Quoc International Airport106 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 CAH from HLN?
The flight distance from Ca Mau (CAH) to Helena (HLN) is 7,954 miles (12,801 km, 6,912 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CAH to HLN?
A nonstop flight takes about 16h 4m 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 Ca Mau and Helena?
Helena is 13 hours behind Ca Mau.
What is the cheapest way to fly from CAH to HLN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CAH–HLN that never appear on search engines, with no booking fees.