How far is Rayong from Chicago, IL?

The distance between Chicago (Chicago O'Hare International Airport) and Rayong (U-Tapao International Airport) is 8627 miles / 13884 kilometers / 7497 nautical miles.

Distance from Chicago to Rayong

There are several ways to calculate the distance from Chicago to Rayong. Here are two standard methods:

Vincenty's formula (applied above)

• 8627.373 miles
• 13884.411 kilometers
• 7496.982 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.

Haversine formula

• 8617.961 miles
• 13869.263 kilometers
• 7488.803 nautical miles

The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).

How long does it take to fly from Chicago to Rayong?

The estimated flight time from Chicago O'Hare International Airport to U-Tapao International Airport is 16 hours and 50 minutes.

What is the time difference between Chicago and Rayong?

The time difference between Chicago and Rayong is 13 hours. Rayong is 13 hours ahead of Chicago.

Flight carbon footprint between Chicago O'Hare International Airport (ORD) and U-Tapao International Airport (UTP)

On average, flying from Chicago to Rayong generates about 1 091 kg of CO2 per passenger, and 1 091 kilograms equals 2 406 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Chicago to Rayong

See the map of the shortest flight path between Chicago O'Hare International Airport (ORD) and U-Tapao International Airport (UTP).

Airport information

Origin	Chicago O'Hare International Airport
City:	Chicago, IL
Country:	United States
IATA Code:	ORD
ICAO Code:	KORD
Coordinates:	41°58′42″N, 87°54′17″W

Destination	U-Tapao International Airport
City:	Rayong
Country:	Thailand
IATA Code:	UTP
ICAO Code:	VTBU
Coordinates:	12°40′47″N, 101°0′17″E