Distance From South Big Horn County Airport to Boryspil International Airport, GEY - KBP Distance

The distance from South Big Horn County Airport (GEY) to Boryspil International Airport (KBP) is 5436 miles or 8748 kilometers or 4720 nautical miles.

The distance shown below is direct flight distance between airports. Straight-line distance does not account for the surface between the two points. It is the distance a bird or airplane would travel between the two points when flying above the surface. The straight line distance is the direct route between two points, regardless of whether or not there are roads that connect them.

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How long does it take to travel from Greybull ( United States ) to Boryspil ( Ukraine )?

A one-way nonstop (direct) flight between Greybull and Boryspil takes around 12 hours 29 minutes.

Estimated flight time from South Big Horn County Airport, Greybull, United States to Boryspil International Airport, Boryspil, Ukraine is 12 hours 29 minutes under avarage conditions. Your actual flying time may vary depending on wind direction/speed or weather conditions. This calculation does not include the departure and landing times of the aircraft. In addition, it does not cover the person identity check, ticket check-in and baggage collection times at the airport.

Travel Distance Between the Airports • GEY - KBP

Kilometers		8748 km
Statute Miles		5436 miles
Nautical Miles		4720 nm
Avg. Time of Flight		12 hours 29 minutes

South Big Horn County Airport to Boryspil International Airport Flight Route Map - GEY to KBP Flight Path

Location of South Big Horn County Airport & Boryspil International Airport is given below.
Click the map to view Greybull to Boryspil nonstop flight path and travel direction.

Click to see flight route on Google Map between Greybull, United States and Boryspil, Ukraine. .

Nonstop flight route between Greybull, United States and Boryspil, Ukraine.

Time Difference Between the Airports • GEY - KBP

Time difference between Greybull (United States) and Boryspil (Ukraine) is 8 Hours.
Boryspil time is 8 Hours ahead of Greybull.

Location	Local Time
Greybull (United States)	2026-06-22, 00:28:11 CDT
Boryspil (Ukraine)	2026-06-22, 08:28:11 EEST

Why should you arrive 3 hours before international flight? Flyers who are traveling to an international destination should arrive at the airport earlier than domestic flyers. This is because international flights can have additional check-in requirements, like passport verification, that need to be completed before you receive your boarding pass.

Origin

South Big Horn County Airport (GEY / KGEY) Greybull, United States

Destination

Boryspil International Airport (KBP / UKBB) Boryspil, Ukraine