Need help booking?
Unpublished phone-only deals available
HPH to DSO: distance & flight time
Haiphong (Cat Bi International Airport) → Hamhung (Sondok Airport)
1,792 mi
2,883 km · 1,557 nm
3h 59m
estimated nonstop flight time
+2h
time difference · heading northeast
See live HPH→DSO fares Phone-only fares on this route — call free
Flight time details
1,792 miles nonstop takes roughly 3h 59m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time gain when reading arrival times on your ticket.
The two airports
- HPH — Cat Bi International Airport · Haiphong, Vietnam
- DSO — Sondok Airport · Hamhung, North Korea
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 HPH
- HAN · Noi Bai International Airport65 mi away
Near DSO
- WOS · Wonsan Kalma International Airport40 mi away
- FNJ · Pyongyang Sunan International Airport103 mi away
- YNY · Yangyang International Airport133 mi away
Frequently asked questions
How far is HPH from DSO?
The flight distance from Haiphong (HPH) to Hamhung (DSO) is 1,792 miles (2,883 km, 1,557 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HPH to DSO?
A nonstop flight takes about 3h 59m 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 Haiphong and Hamhung?
Hamhung is 2 hours ahead of Haiphong.
What is the cheapest way to fly from HPH to DSO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HPH–DSO that never appear on search engines, with no booking fees.