How far is Sullivan, IL from Rockford, IL?
Distance by Flight
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).
Driving distance
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.
#1 Sullivan
City in Illinois
| Population | 4400 |
|---|---|
| GPS Coordinates | 39°35'58"N 88°36'28"W |
| Latitude | 39.5994800 |
| Longitude | -88.6078400 |
| Altitude | 205 |
| Country | United States |
#2 Rockford
The second most populous city in Illinois. It is located in the northwestern part of the state. Rockford is known for its many manufacturing companies, its many parks and green spaces, and its many attractions, such as the Rockford Art Museum and the Burpee Museum of Natural History.
| Population | 144835 |
|---|---|
| GPS Coordinates | 42°16'16"N 89°5'38"W |
| Latitude | 42.2711300 |
| Longitude | -89.0940000 |
| Altitude | 218 |
| Country | United States |
Ending point in Rockford: West State Street (-89.094046,42.271066)
Estimated Travel Time Between Sullivan and Rockford
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 15:20:48.
| 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 |
Gas Consumption
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 $27.23 (diesel $32.46).
Illinois gas prices.
| Gasoline | Mid Grade | Premium | Diesel | |
|---|---|---|---|---|
| Gallon | $3.61 | $4.11 | $4.55 | $4.3 |
| Total | $27.23 | $31.04 | $34.36 | $32.46 |
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 (in Illinois ) per gallon of daily gas for calculations is $3.607 (Diesel $4.300) /gallon. Last changed prices on December 27, 2024.
How did we calculate the distance?
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.
