How far is Rockford, IL from South Beloit, IL?
The driving distance from Rockford, IL to South Beloit, IL is about 18.1 miles (29.1 km), with a travel time of about 00h 29m by car.
- The straight-line flight distance is about 15.6 miles (25.1 km).
- For a round trip, plan for roughly 00h 58m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM CDT.
Reverse, save, or send this route
This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.
This is an easy same-day return drive.
Flight Distance
Driving Distance
Gas Cost Calculator
Leave and Arrive Planner
Pick a departure time to see your estimated arrival and same-day return window.
Drive time stays fixed at 00h 29m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
You are leaving earlier than the recommended window, which gives you extra margin for breaks and traffic.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
Village in the U.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Driving Route Map
The map below follows the saved road route between Rockford and South Beloit.
Turn-by-Turn Driving Directions
Step-by-step road directions between Rockford and South Beloit.
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1
Start on West State Street
2549 ft · 1 min · West State Street
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2
Turn left onto North 3rd Street
1759 ft · 41 sec · North 3rd Street
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3
Continue on North 2nd Street
16.4 mi · 25 min · North 2nd Street
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4
Turn left onto Gardner Street
1.4 km · 2 min · Gardner Street
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5
Arrive at your destination
0 m · 1 sec · Gardner Street
Car Route Details
A richer read on the saved driving route between Rockford and South Beloit.
Straightforward drive
The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.
North 2nd Street
Continue on North 2nd Street
16.4 mi · 00h 25m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A short regional drive
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
Sunny leaving Rockford and Sunny near South Beloit.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Rockford to South Beloit?
The road trip is about 18.1 miles (29.1 km) and usually takes 00h 29m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
What is the halfway point on this route?
Machesney Park is a useful midpoint, sitting about 9.1 miles from Rockford and 9 miles from South Beloit.
How much longer is the road route than the straight-line distance?
The direct path is about 15.6 miles (25.1 km), while the road route adds roughly 2.5 extra miles because roads do not follow the straight air line.
When is the best time to leave for this route?
A good departure window is usually 7:00 AM to 7:00 PM CDT. If you want a more comfortable same-day return, try to leave by 7:32 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $2.41 one way or $4.83 round trip. Estimated CO2 is about 5.7 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Rockford and Sunny near South Beloit.
Stop Ideas Near Machesney Park
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Machesney Park.
Rockford, Illinois
South Beloit, Illinois
Janesville, Wisconsin
Madison (South), Wisconsin
Flight Path Map
This map shows the direct air route between Rockford and South Beloit. Straight-line distance: 15.61 mi (25.12 km).
#1 Rockford
The second most populous city in Illinois.
| Population | 144,835 |
| Coordinates | 42.2711300, -89.0940000 |
| Altitude | 218 |
| Country | United States |
#2 South Beloit
City in Winnebago County, Illinois, United States
| Population | 7,540 |
| Coordinates | 42.4930700, -89.0367800 |
| Altitude | 225 |
| Country | United States |
End: South Beloit (-89.03678, 42.49307)
Estimated Travel Time
Distance: 29 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 36m |
| 40 mph (64.37 km/h) | 00h 27m |
| 50 mph (80.47 km/h) | 00h 21m |
| 60 mph (96.56 km/h) | 00h 18m |
| 70 mph (112.65 km/h) | 00h 15m |
| 80 mph (129 km/h) | 00h 13m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $2.41 | $4.83 |
| Mid-grade | $4.25 | $2.72 | $5.44 |
| Premium | $4.65 | $2.98 | $5.96 |
| Diesel | $5.30 | $3.39 | $6.79 |
Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.
Prices in Illinois · May 30, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.