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FSI to HPH: distance & flight time
Fort Sill (Henry Post Army Air Field (Fort Sill)) → Haiphong (Cat Bi International Airport)
8,264 mi
13,300 km · 7,181 nm
16h 40m
estimated nonstop flight time
+12h
time difference · heading northwest
See live FSI→HPH fares Phone-only fares on this route — call free
Flight time details
8,264 miles nonstop takes roughly 16h 40m gate to gate, flying northwest. 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
- FSI — Henry Post Army Air Field (Fort Sill) · Fort Sill, United States
- HPH — Cat Bi International Airport · Haiphong, 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 FSI
- LAW · Lawton Fort Sill Regional Airport6 mi away
- DUC · Halliburton Field28 mi away
- HBR · Hobart Regional Airport44 mi away
- SPS · Sheppard Air Force Base-Wichita Falls Municipal Airport46 mi away
Near HPH
- HAN · Noi Bai International Airport65 mi away
Frequently asked questions
How far is FSI from HPH?
The flight distance from Fort Sill (FSI) to Haiphong (HPH) is 8,264 miles (13,300 km, 7,181 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FSI to HPH?
A nonstop flight takes about 16h 40m 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 Fort Sill and Haiphong?
Haiphong is 12 hours ahead of Fort Sill.
What is the cheapest way to fly from FSI to HPH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FSI–HPH that never appear on search engines, with no booking fees.