How far is Lanark, IL from Rockford, IL?
The driving distance from Lanark, IL to Rockford, IL is about 46.2 miles (74.4 km), with a travel time of about 00h 57m by car.
- The straight-line flight distance is about 39.6 miles (63.8 km).
- For a round trip, plan for roughly 01h 54m 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 00h 57m.
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.
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 Lanark and Rockford.
Turn-by-Turn Driving Directions
Step-by-step road directions between Lanark and Rockford.
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1
Start on the route
21 m · 10 sec
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2
Turn left onto West Locust Street
53 m · 13 sec · West Locust Street
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3
Turn left onto North Broad Street
3.7 mi · 6 min · North Broad Street
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4
Turn right
10 mi · 15 min
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5
Turn left
8.6 mi · 13 min
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6
Turn right onto West South Street
1.7 mi · 4 min · West South Street
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7
Continue on US 20 Business
2.9 mi · 4 min · US 20 Business
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8
Take the ramp straight
2108 ft · 51 sec
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9
Merge slight left onto U.S. Grant Memorial Highway
7.5 mi · 9 min · U.S. Grant Memorial Highway
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10
Continue on West State Road
9.8 mi · 11 min · West State Road
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11
Take the exit slight left toward US 20 Business
5.6 mi · 10 min
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12
Arrive at your destination
0 m · 1 sec · West State Street
Car Route Details
A richer read on the saved driving route between Lanark 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 Lanark and Sunny near Rockford.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Lanark to Rockford?
The road trip is about 46.2 miles (74.4 km) and usually takes 00h 57m 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 25.1 miles from Lanark and 21.2 miles from Rockford.
How much longer is the road route than the straight-line distance?
The direct path is about 39.6 miles (63.8 km), while the road route adds roughly 6.6 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 4:36 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $6.15 one way or $12.29 round trip. Estimated CO2 is about 14.5 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Lanark 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 Lanark and Rockford. Straight-line distance: 39.61 mi (63.75 km).
#1 Lanark
City in Illinois, United States
| Population | 1,321 |
| Coordinates | 42.1022500, -89.8334500 |
| Altitude | 268 |
| 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: 74 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 32m |
| 40 mph (64.37 km/h) | 01h 09m |
| 50 mph (80.47 km/h) | 00h 55m |
| 60 mph (96.56 km/h) | 00h 46m |
| 70 mph (112.65 km/h) | 00h 39m |
| 80 mph (129 km/h) | 00h 34m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $6.15 | $12.29 |
| Mid-grade | $4.25 | $6.93 | $13.86 |
| Premium | $4.65 | $7.59 | $15.17 |
| Diesel | $5.30 | $8.65 | $17.29 |
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.