How far is Rockford, IL from Lake Forest, IL?
The driving distance from Rockford, IL to Lake Forest, IL is about 85.5 miles (137.6 km), with a travel time of about 01h 50m by car.
- The straight-line flight distance is about 64.1 miles (103.1 km).
- For a round trip, plan for roughly 03h 41m 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 50m.
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.
Human settlement in Illinois, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Sunny
Driving Route Map
The map below follows the saved road route between Rockford and Lake Forest.
Turn-by-Turn Driving Directions
Step-by-step road directions between Rockford and Lake Forest.
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1
Start on West State Street
3.4 mi · 6 min · West State Street
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2
Turn right onto South Alpine Road
1.5 km · 2 min · South Alpine Road
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3
Continue on South Alpine Road
109 m · 14 sec · South Alpine Road
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4
Turn right
26 m · 4 sec
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5
Turn right onto Charles Street
2.8 mi · 5 min · Charles Street
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6
Turn right onto South Mall Drive
118 m · 19 sec · South Mall Drive
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7
Turn left onto Harrison Avenue
3021 ft · 1 min · Harrison Avenue
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8
Take the ramp slight left
1207 ft · 30 sec
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9
Merge slight left
912 ft · 11 sec
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10
Take the exit slight right toward I 90 East: Chicago
2544 ft · 1 min
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11
Merge slight left onto Jane Addams Memorial Tollway
19.8 mi · 21 min · Jane Addams Memorial Tollway
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12
Keep slight left to continue on Jane Addams Memorial Tollway
29.8 mi · 32 min · Jane Addams Memorial Tollway
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13
Take the exit slight right toward I 290, IL 53: Chicago, West Suburbs
2618 ft · 1 min
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14
Keep slight left to continue on IL 53 North: Northwest Suburbs
1584 ft · 19 sec
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15
Continue on IL 53 North: Northwest Suburbs
1066 ft · 18 sec
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16
Keep slight right to continue on IL 53 North: Northwest Suburbs
1781 ft · 51 sec
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17
Merge slight left
4.1 mi · 5 min
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18
Take the exit slight right toward East Palatine Road
2489 ft · 1 min
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19
Merge slight left onto Palatine Road
6 mi · 9 min · Palatine Road
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20
Continue on Willow Road
1.3 km · 2 min · Willow Road
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21
Turn sharp left onto I 294 Toll North: Wisconsin
117 m · 11 sec
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22
Keep slight right to continue on I 294 North: Wisconsin
2066 ft · 50 sec
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23
Merge slight left onto Tri-State Tollway
9.2 mi · 11 min · Tri-State Tollway
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24
Take the exit slight right toward IL 60: Town Line Road
2941 ft · 58 sec
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25
Turn straight onto East Townline Road
2448 ft · 52 sec · East Townline Road
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26
Continue on Townline Road
1.6 km · 2 min · Townline Road
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27
Continue on W Kennedy Road
2498 ft · 49 sec · W Kennedy Road
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28
At the end of the road, turn left onto South Skokie Highway
1396 ft · 30 sec · South Skokie Highway
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29
Take the exit slight right
1302 ft · 38 sec
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30
Turn right onto West Deerpath
1.2 mi · 3 min · West Deerpath
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31
Turn left onto North McKinley Road
2419 ft · 52 sec · North McKinley Road
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32
Turn slight right onto East Woodland Road
62 m · 7 sec · East Woodland Road
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33
Turn slight left onto Griffith Road
22 m · 3 sec · Griffith Road
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34
Arrive at your destination
0 m · 1 sec · Griffith Road
Car Route Details
A richer read on the saved driving route between Rockford and Lake Forest.
Turn-heavy local drive
The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.
Jane Addams Memorial Tollway
Keep slight left to continue on Jane Addams Memorial Tollway
29.8 mi · 00h 32m
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 Rockford and Partly Sunny near Lake Forest.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Rockford to Lake Forest?
The road trip is about 85.5 miles (137.6 km) and usually takes 01h 50m 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?
Gilberts is a useful midpoint, sitting about 42.7 miles from Rockford and 42.8 miles from Lake Forest.
How much longer is the road route than the straight-line distance?
The direct path is about 64.1 miles (103.1 km), while the road route adds roughly 21.4 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 2:48 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $11.39 one way or $22.78 round trip. Estimated CO2 is about 26.8 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Rockford and Partly Sunny near Lake Forest.
Stop Ideas Near Gilberts
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 Gilberts.
Naperville
Glenview station
Plano
La Grange Road
Flight Path Map
This map shows the direct air route between Rockford and Lake Forest. Straight-line distance: 64.09 mi (103.15 km).
#1 Rockford
The second most populous city in Illinois.
| Population | 144,835 |
| Coordinates | 42.2711300, -89.0940000 |
| Altitude | 218 |
| Country | United States |
#2 Lake Forest
City in Lake County, Illinois, United States
| Population | 19,379 |
| Coordinates | 42.2586300, -87.8406300 |
| Altitude | 210 |
| Country | United States |
End: Lake Forest (-87.84063, 42.25863)
Estimated Travel Time
Distance: 138 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 50m |
| 40 mph (64.37 km/h) | 02h 08m |
| 50 mph (80.47 km/h) | 01h 42m |
| 60 mph (96.56 km/h) | 01h 25m |
| 70 mph (112.65 km/h) | 01h 13m |
| 80 mph (129 km/h) | 01h 03m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $11.39 | $22.78 |
| Mid-grade | $4.25 | $12.84 | $25.69 |
| Premium | $4.65 | $14.06 | $28.11 |
| Diesel | $5.30 | $16.02 | $32.04 |
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.