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REP to MSS: distance & flight time
Siem-reap (Siem Reap International Airport) → Massena (Massena International Richards Field)
8,405 mi
13,526 km · 7,303 nm
16h 57m
estimated nonstop flight time
-11h
time difference · heading north
See live REP→MSS fares Phone-only fares on this route — call free
Flight time details
8,405 miles nonstop takes roughly 16h 57m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 11-hour time set-back when reading arrival times on your ticket.
The two airports
- REP — Siem Reap International Airport · Siem-reap, Cambodia
- MSS — Massena International Richards Field · Massena, 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 REP
- BBM · Battambang Airport45 mi away
- KZC · Kampong Chhnang Airport95 mi away
- PXR · Surin Airport103 mi away
- TDX · Trat Airport128 mi away
Near MSS
- YCC · Cornwall Regional Airport18 mi away
- OGS · Ogdensburg International Airport35 mi away
- YOW · Ottawa Macdonald-Cartier International Airport48 mi away
- SLK · Adirondack Regional Airport49 mi away
Frequently asked questions
How far is REP from MSS?
The flight distance from Siem-reap (REP) to Massena (MSS) is 8,405 miles (13,526 km, 7,303 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from REP to MSS?
A nonstop flight takes about 16h 57m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from REP to MSS?
Nonstop service on REP–MSS depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 16h 57m nonstop estimate.
What is the time difference between Siem-reap and Massena?
Massena is 11 hours behind Siem-reap.
What is the cheapest way to fly from REP to MSS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on REP–MSS that never appear on search engines, with no booking fees.
Why are some REP to MSS fares phone-only?
Consolidator contracts let us sell certain REP–MSS tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.