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PHN to CNI: distance & flight time
Port Huron (St Clair County International Airport) → Changhai (Changhai Airport)
6,544 mi
10,532 km · 5,687 nm
13h 18m
estimated nonstop flight time
+12h
time difference · heading north
See live PHN→CNI fares Phone-only fares on this route — call free
Flight time details
6,544 miles nonstop takes roughly 13h 18m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 12-hour time gain when reading arrival times on your ticket.
The two airports
- PHN — St Clair County International Airport · Port Huron, United States
- CNI — Changhai Airport · Changhai, China
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 PHN
Near CNI
- DLC · Zhoushuizi Airport64 mi away
- YKH · Yingkou Lanqi Airport90 mi away
- DDG · Dandong Airport101 mi away
- AOG · Anshan Air Base127 mi away
Frequently asked questions
How far is PHN from CNI?
The flight distance from Port Huron (PHN) to Changhai (CNI) is 6,544 miles (10,532 km, 5,687 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PHN to CNI?
A nonstop flight takes about 13h 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 Port Huron and Changhai?
Changhai is 12 hours ahead of Port Huron.
What is the cheapest way to fly from PHN to CNI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PHN–CNI that never appear on search engines, with no booking fees.