Need help booking?
Unpublished phone-only deals available
DCM to PHN: distance & flight time
Castres (Castres-Mazamet Airport) → Port Huron (St Clair County International Airport)
4,067 mi
6,545 km · 3,534 nm
8h 26m
estimated nonstop flight time
-6h
time difference · heading northwest
See live DCM→PHN fares Phone-only fares on this route — call free
Flight time details
4,067 miles nonstop takes roughly 8h 26m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time set-back when reading arrival times on your ticket.
The two airports
- DCM — Castres-Mazamet Airport · Castres, France
- PHN — St Clair County International Airport · Port Huron, 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 DCM
- CCF · Carcassonne Airport24 mi away
- LBI · Albi-Le Séquestre Airport26 mi away
- TLS · Toulouse-Blagnac Airport47 mi away
- XMW · Montauban Airport56 mi away
Near PHN
Frequently asked questions
How far is DCM from PHN?
The flight distance from Castres (DCM) to Port Huron (PHN) is 4,067 miles (6,545 km, 3,534 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DCM to PHN?
A nonstop flight takes about 8h 26m 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 Castres and Port Huron?
Port Huron is 6 hours behind Castres.
What is the cheapest way to fly from DCM to PHN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DCM–PHN that never appear on search engines, with no booking fees.