How far is Dayton, OH, from Rockford, IL?

The distance between Rockford (Chicago Rockford International Airport) and Dayton (Dayton International Airport) is 300 miles / 483 kilometers / 261 nautical miles.

The driving distance from Rockford (RFD) to Dayton (DAY) is 374 miles / 602 kilometers, and travel time by car is about 7 hours 11 minutes.

Distance from Rockford to Dayton

There are several ways to calculate the distance from Rockford to Dayton. Here are two standard methods:

Vincenty's formula (applied above)

• 299.874 miles
• 482.601 kilometers
• 260.583 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

• 299.426 miles
• 481.879 kilometers
• 260.194 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 Rockford to Dayton?

The estimated flight time from Chicago Rockford International Airport to Dayton International Airport is 1 hour and 4 minutes.

What is the time difference between Rockford and Dayton?

The time difference between Rockford and Dayton is 1 hour. Dayton is 1 hour ahead of Rockford.

Flight carbon footprint between Chicago Rockford International Airport (RFD) and Dayton International Airport (DAY)

On average, flying from Rockford to Dayton generates about 69 kg of CO2 per passenger, and 69 kilograms equals 152 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Rockford to Dayton

See the map of the shortest flight path between Chicago Rockford International Airport (RFD) and Dayton International Airport (DAY).

Airport information

Origin	Chicago Rockford International Airport
City:	Rockford, IL
Country:	United States
IATA Code:	RFD
ICAO Code:	KRFD
Coordinates:	42°11′43″N, 89°5′49″W

Destination	Dayton International Airport
City:	Dayton, OH
Country:	United States
IATA Code:	DAY
ICAO Code:	KDAY
Coordinates:	39°54′8″N, 84°13′9″W