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GYY to REP: distance & flight time
Gary (Gary Chicago International Airport) → Siem-reap (Siem Reap International Airport)
8,568 mi
13,789 km · 7,445 nm
17h 16m
estimated nonstop flight time
+12h
time difference · heading north
See live GYY→REP fares Phone-only fares on this route — call free
Flight time details
8,568 miles nonstop takes roughly 17h 16m gate to gate, flying north. 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
- GYY — Gary Chicago International Airport · Gary, United States
- REP — Siem Reap International Airport · Siem-reap, Cambodia
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 GYY
- ORD · Chicago O'Hare International Airport36 mi away
- CGX · Chicago Meigs Airport20 mi away
- MDW · Chicago Midway International Airport21 mi away
- VPZ · Porter County Municipal Airport24 mi away
Near REP
- BBM · Battambang Airport45 mi away
- KZC · Kampong Chhnang Airport95 mi away
- PXR · Surin Airport103 mi away
- TDX · Trat Airport128 mi away
Frequently asked questions
How far is GYY from REP?
The flight distance from Gary (GYY) to Siem-reap (REP) is 8,568 miles (13,789 km, 7,445 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GYY to REP?
A nonstop flight takes about 17h 16m 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 GYY to REP?
Nonstop service on GYY–REP 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 17h 16m nonstop estimate.
What is the time difference between Gary and Siem-reap?
Siem-reap is 12 hours ahead of Gary.
What is the cheapest way to fly from GYY to REP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GYY–REP that never appear on search engines, with no booking fees.
Why are some GYY to REP fares phone-only?
Consolidator contracts let us sell certain GYY–REP 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.