How far is Crystal Lake, IL from River Forest, IL?
The driving distance from Crystal Lake, IL to River Forest, IL is about 41.3 miles (66.4 km), with a travel time of about 01h 06m by car.
- The straight-line flight distance is about 35 miles (56.4 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.
A city in Cook County, Illinois.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Rain Showers
Rain Showers
Driving Route Map
The map below follows the saved road route between Crystal Lake and River Forest.
Turn-by-Turn Driving Directions
Step-by-step road directions between Crystal Lake and River Forest.
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1
Start on East Crystal Lake Avenue
8 m · 5 sec · East Crystal Lake Avenue
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2
Turn right onto South Main Street
1.7 mi · 4 min · South Main Street
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3
Continue on Pyott Road
3 mi · 5 min · Pyott Road
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4
Turn left onto West Algonquin Road
7.8 mi · 13 min · West Algonquin Road
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5
Turn straight onto Dundee Road
1483 ft · 30 sec · Dundee Road
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6
Continue on Algonquin Road
2.2 mi · 4 min · Algonquin Road
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7
Turn right onto North Barrington Road
2.1 mi · 4 min · North Barrington Road
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8
Take the ramp left
2915 ft · 38 sec
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9
Merge slight left onto Jane Addams Memorial Tollway
15.4 mi · 17 min · Jane Addams Memorial Tollway
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10
Keep slight right to continue on Jane Addams Memorial Tollway
1772 ft · 22 sec · Jane Addams Memorial Tollway
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11
Keep slight left to continue on Jane Addams Memorial Tollway
526 ft · 30 sec · Jane Addams Memorial Tollway
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12
Merge slight right onto Jane Addams Memorial Tollway
123 m · 5 sec · Jane Addams Memorial Tollway
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13
Take the exit slight right toward IL 171 South: Cumberland Avenue South
1 mi · 2 min · Cumberland flyover
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14
Keep slight left to continue on IL 171 South: Cumberland Avenue
75 m · 8 sec
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15
Turn right onto North Cumberland Avenue
3.1 mi · 7 min · North Cumberland Avenue
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16
Continue on North Thatcher Avenue
1.3 km · 2 min · North Thatcher Avenue
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17
Continue on North Thatcher Avenue
1.5 mi · 4 min · North Thatcher Avenue
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18
Turn left onto North Avenue
2327 ft · 1 min · North Avenue
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19
Turn right onto Lathrop Avenue
1.2 km · 3 min · Lathrop Avenue
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20
Turn left onto Augusta Street
97 m · 11 sec · Augusta Street
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21
Arrive at your destination
0 m · 1 sec · Augusta Street
Car Route Details
A richer read on the saved driving route between Crystal Lake and River 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
Merge slight left onto Jane Addams Memorial Tollway
15.4 mi · 00h 17m
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.
Rain Showers leaving Crystal Lake and Rain Showers near River Forest.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Crystal Lake to River Forest?
The road trip is about 41.3 miles (66.4 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?
Hoffman Estates is a useful midpoint, sitting about 20.6 miles from Crystal Lake and 20.7 miles from River Forest.
How much longer is the road route than the straight-line distance?
The direct path is about 35 miles (56.4 km), while the road route adds roughly 6.3 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 $6.81 one way or $13.62 round trip. Estimated CO2 is about 13 kg one way.
What should you check before leaving?
Before you leave, expect Rain Showers around Crystal Lake and Rain Showers near River Forest.
Stop Ideas Near Hoffman Estates
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 Hoffman Estates.
Glenview station
Naperville
La Grange Road
Summit
Flight Path Map
This map shows the direct air route between Crystal Lake and River Forest. Straight-line distance: 35.02 mi (56.36 km).
#1 Crystal Lake
City located in McHenry County, Illinois, USA
| Population | 39,642 |
| Coordinates | 42.2411300, -88.3162000 |
| Altitude | 279 |
| Country | United States |
#2 River Forest
Village in Cook County, Illinois, United States
| Population | 10,694 |
| Coordinates | 41.8978100, -87.8139500 |
| Altitude | 192 |
| Country | United States |
End: River Forest (-87.81395, 41.89781)
Estimated Travel Time
Distance: 66 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 22m |
| 40 mph (64.37 km/h) | 01h 01m |
| 50 mph (80.47 km/h) | 00h 49m |
| 60 mph (96.56 km/h) | 00h 41m |
| 70 mph (112.65 km/h) | 00h 35m |
| 80 mph (129 km/h) | 00h 30m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.67 | $6.81 | $13.62 |
| Mid-grade | $5.29 | $7.73 | $15.45 |
| Premium | $5.84 | $8.52 | $17.04 |
| Diesel | $6.57 | $9.59 | $19.19 |
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 · Oct 15, 2026