How far is Mount Carroll, IL from Rockford, IL?
The driving distance from Mount Carroll, IL to Rockford, IL is about 54.2 miles (87.2 km), with a travel time of about 01h 06m by car.
- The straight-line flight distance is about 46.9 miles (75.4 km).
- For a round trip, plan for roughly 02h 13m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM CDT.
Reverse, save, or send this route
This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.
This route works well as a day trip with time at the destination.
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 01h 06m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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.
City in Illinois
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Sunny
Driving Route Map
The map below follows the saved road route between Mount Carroll and Rockford.
Turn-by-Turn Driving Directions
Step-by-step road directions between Mount Carroll and Rockford.
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1
Start on the route
22 m · 11 sec
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2
Turn left onto East Benton Street
1.5 km · 2 min · East Benton Street
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3
At the end of the road, turn left onto Chambers Road
6.6 mi · 10 min · Chambers Road
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4
Turn left onto South Broad Street
4.2 mi · 6 min · South Broad Street
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5
Turn right
10 mi · 15 min
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6
Turn left
8.6 mi · 13 min
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7
Turn right onto West South Street
1.7 mi · 4 min · West South Street
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8
Continue on US 20 Business
2.9 mi · 4 min · US 20 Business
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9
Take the ramp straight
2108 ft · 51 sec
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10
Merge slight left onto U.S. Grant Memorial Highway
7.5 mi · 9 min · U.S. Grant Memorial Highway
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11
Continue on West State Road
9.8 mi · 11 min · West State Road
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12
Take the exit slight left toward US 20 Business
5.6 mi · 10 min
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13
Arrive at your destination
0 m · 1 sec · West State Street
Car Route Details
A richer read on the saved driving route between Mount Carroll and Rockford.
Straightforward drive
The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.
Longest stretch
Turn right
10 mi · 00h 15m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A comfortable day-trip route
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
Sunny leaving Mount Carroll and Sunny near Rockford.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Mount Carroll to Rockford?
The road trip is about 54.2 miles (87.2 km) and usually takes 01h 06m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
What is the halfway point on this route?
Freeport is a useful midpoint, sitting about 29 miles from Mount Carroll and 25.2 miles from Rockford.
How much longer is the road route than the straight-line distance?
The direct path is about 46.9 miles (75.4 km), while the road route adds roughly 7.3 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 8:00 AM to 10:00 AM CDT. If you want a more comfortable same-day return, try to leave by 4:16 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $7.20 one way or $14.41 round trip. Estimated CO2 is about 17 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Mount Carroll and Sunny near Rockford.
Stop Ideas Near Freeport
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 Freeport.
Rockford, Illinois
South Beloit, Illinois
Janesville, Wisconsin
Madison (South), Wisconsin
Flight Path Map
This map shows the direct air route between Mount Carroll and Rockford. Straight-line distance: 46.88 mi (75.44 km).
#1 Mount Carroll
City in Illinois
| Population | 1,562 |
| Coordinates | 42.0950200, -89.9781800 |
| Altitude | 247 |
| Country | United States |
#2 Rockford
The second most populous city in Illinois.
| Population | 144,835 |
| Coordinates | 42.2711300, -89.0940000 |
| Altitude | 218 |
| Country | United States |
End: West State Street (-89.094046, 42.271066)
Estimated Travel Time
Distance: 87 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 48m |
| 40 mph (64.37 km/h) | 01h 21m |
| 50 mph (80.47 km/h) | 01h 04m |
| 60 mph (96.56 km/h) | 00h 54m |
| 70 mph (112.65 km/h) | 00h 46m |
| 80 mph (129 km/h) | 00h 40m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $7.20 | $14.41 |
| Mid-grade | $4.25 | $8.12 | $16.25 |
| Premium | $4.65 | $8.89 | $17.78 |
| Diesel | $5.30 | $10.13 | $20.26 |
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 · Apr 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.