Shortest distance between Sullivan and Rockford is 186.33 miles (299.87 km).
Flight distance from Sullivan, IL to Rockford, IL is 186.33 miles. Estimated flight time is 00 hours 25 minutes.
It takes 00 hours 23 minutes to travel from Sullivan to Rockford with an airplane (average speed of 550 miles).
The driving distance from Sullivan, Illinois to Rockford, Illinois is: 213.95 miles (344.33 km) by car.
Driving from Sullivan to Rockford will take approximately 03 hours 36 minutes.
The distance between Sullivan and Rockford is 344 km if you choose to drive by road. You can go 03 hours 49 minutes if you drive your car at an average speed of 90 kilometers / hour. For different choices, please review the avg. speed travel time table on the below.
There is no time difference between Sullivan and Rockford. The current time is 05:57:45.
|Average Speed||Travel Time|
|30 mph (48.3 km/h)||07 hours 07 minutes|
|40 mph (64.37 km/h)||05 hours 20 minutes|
|50 mph (80.47 km/h)||04 hours 16 minutes|
|60 mph (96.56 km/h)||03 hours 33 minutes|
|70 mph (112.65 km/h)||03 hours 03 minutes|
|75 mph (120.7 km/h)||02 hours 51 minutes|
|80 mph (128.75 km/h)||02 hours 40 minutes|
A car with a fuel efficiency of 8.3 l/100 km will need 28.58 liters (7.55 gallon) of gas to cover the route between Sullivan and Rockford.
The estimated cost of gas to go from Sullivan to Rockford is $24.96 (diesel $28.12).
Take a look at our Gas Cost Calculator feature. It will figure out how much it will cost to drive this particular distance.
The average gas price per gallon of daily gas for calculations is $3.306 (Diesel $3.725) /gallon. Last changed prices on January 22, 2022.
The place names are translated into coordinates to approximate the distance between Sullivan and Rockford (latitude and longitude). Cities, states, and countries each have their own regional center. The Haversine formula is used to measure the radius.