Need help booking?
Unpublished phone-only deals available
PSM to CXR: distance & flight time
Portsmouth (Portsmouth International at Pease Airport) → Nha Trang (Cam Ranh Airport)
8,631 mi
13,891 km · 7,500 nm
17h 23m
estimated nonstop flight time
+11h
time difference · heading north
See live PSM→CXR fares Phone-only fares on this route — call free
Flight time details
8,631 miles nonstop takes roughly 17h 23m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 11-hour time gain when reading arrival times on your ticket.
The two airports
- PSM — Portsmouth International at Pease Airport · Portsmouth, United States
- CXR — Cam Ranh Airport · Nha Trang, Vietnam
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 PSM
- BOS · General Edward Lawrence Logan International Airport50 mi away
- LWM · Lawrence Municipal Airport29 mi away
- MHT · Manchester-Boston Regional Airport33 mi away
- BVY · Beverly Municipal Airport34 mi away
Near CXR
- NHA · Nha Trang Air Base16 mi away
- PHA · Phan Rang Airport31 mi away
- DLI · Lien Khuong Airport60 mi away
- TBB · Dong Tac Airport73 mi away
Frequently asked questions
How far is PSM from CXR?
The flight distance from Portsmouth (PSM) to Nha Trang (CXR) is 8,631 miles (13,891 km, 7,500 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PSM to CXR?
A nonstop flight takes about 17h 23m 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 Portsmouth and Nha Trang?
Nha Trang is 11 hours ahead of Portsmouth.
What is the cheapest way to fly from PSM to CXR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PSM–CXR that never appear on search engines, with no booking fees.