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KOS to SPI: distance & flight time
Sihanoukville (Sihanoukville International Airport) → Springfield (Abraham Lincoln Capital Airport)
8,850 mi
14,242 km · 7,690 nm
17h 49m
estimated nonstop flight time
-12h
time difference · heading north
See live KOS→SPI fares Phone-only fares on this route — call free
Flight time details
8,850 miles nonstop takes roughly 17h 49m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 12-hour time set-back when reading arrival times on your ticket.
The two airports
- KOS — Sihanoukville International Airport · Sihanoukville, Cambodia
- SPI — Abraham Lincoln Capital Airport · Springfield, 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 KOS
- PQC · Phu Quoc International Airport37 mi away
- PNH · Phnom Penh International Airport106 mi away
- VKG · Rach Gia Airport110 mi away
- KZC · Kampong Chhnang Airport132 mi away
Near SPI
Frequently asked questions
How far is KOS from SPI?
The flight distance from Sihanoukville (KOS) to Springfield (SPI) is 8,850 miles (14,242 km, 7,690 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KOS to SPI?
A nonstop flight takes about 17h 49m 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 Sihanoukville and Springfield?
Springfield is 12 hours behind Sihanoukville.
What is the cheapest way to fly from KOS to SPI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KOS–SPI that never appear on search engines, with no booking fees.