How far is Boston, MA, from Rockford, IL?

The distance between Rockford (Chicago Rockford International Airport) and Boston (Logan International Airport) is 926 miles / 1490 kilometers / 804 nautical miles.

The driving distance from Rockford (RFD) to Boston (BOS) is 1078 miles / 1735 kilometers, and travel time by car is about 20 hours 21 minutes.

Distance from Rockford to Boston

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

Vincenty's formula (applied above)

• 925.623 miles
• 1489.646 kilometers
• 804.345 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

• 923.188 miles
• 1485.727 kilometers
• 802.228 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 Boston?

The estimated flight time from Chicago Rockford International Airport to Logan International Airport is 2 hours and 15 minutes.

What is the time difference between Rockford and Boston?

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

Flight carbon footprint between Chicago Rockford International Airport (RFD) and Logan International Airport (BOS)

On average, flying from Rockford to Boston generates about 146 kg of CO2 per passenger, and 146 kilograms equals 321 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 Boston

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

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	Logan International Airport
City:	Boston, MA
Country:	United States
IATA Code:	BOS
ICAO Code:	KBOS
Coordinates:	42°21′51″N, 71°0′18″W