How far is Crystal Lake, IL from Lake Forest, IL?
The driving distance from Crystal Lake, IL to Lake Forest, IL is about 28.4 miles (45.7 km), with a travel time of about 00h 53m by car.
- The straight-line flight distance is about 24.4 miles (39.2 km).
- For a round trip, plan for roughly 01h 46m 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 53m.
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.
Unincorporated community in 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 Lake Forest.
Turn-by-Turn Driving Directions
Step-by-step road directions between Crystal Lake and Lake Forest.
-
1
Start on East Crystal Lake Avenue
8 m · 8 sec · East Crystal Lake Avenue
-
2
Turn left onto North Main Street
2641 ft · 1 min · North Main Street
-
3
Turn right onto East Terra Cotta Avenue
1.5 mi · 3 min · East Terra Cotta Avenue
-
4
Continue on West State Road
7.8 mi · 14 min · West State Road
-
5
Continue on West Liberty Street
4.6 mi · 9 min · West Liberty Street
-
6
Turn right
1.9 mi · 3 min
-
7
Continue straight
6.8 mi · 12 min
-
8
Continue on Rockland Road
3.2 mi · 6 min · Rockland Road
-
9
Continue on Scranton Avenue
2362 ft · 56 sec · Scranton Avenue
-
10
Keep slight right to continue on Sheridan Rd Cutoff
139 m · 14 sec · Sheridan Rd Cutoff
-
11
Turn straight onto Sheridan Road
1 km · 1 min · Sheridan Road
-
12
Continue on North McKinley Road
1.2 km · 2 min · North McKinley Road
-
13
Turn sharp left onto East Woodland Road
62 m · 7 sec · East Woodland Road
-
14
Turn slight left onto Griffith Road
22 m · 3 sec · Griffith Road
-
15
Arrive at your destination
0 m · 1 sec · Griffith Road
Car Route Details
A richer read on the saved driving route between Crystal Lake 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.
West State Road
Continue on West State Road
7.85 mi · 00h 14m
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 Lake Forest.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Crystal Lake to Lake Forest?
The road trip is about 28.4 miles (45.7 km) and usually takes 00h 53m 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?
Gilmer is a useful midpoint, sitting about 14.2 miles from Crystal Lake and 14.2 miles from Lake Forest.
How much longer is the road route than the straight-line distance?
The direct path is about 24.4 miles (39.2 km), while the road route adds roughly 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 4:44 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $4.67 one way or $9.33 round trip. Estimated CO2 is about 8.9 kg one way.
What should you check before leaving?
Before you leave, expect Rain Showers around Crystal Lake and Rain Showers near Lake Forest.
Stop Ideas Near Gilmer
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 Gilmer.
Glenview station
La Grange Road
Naperville
Chicago Union Station
Flight Path Map
This map shows the direct air route between Crystal Lake and Lake Forest. Straight-line distance: 24.35 mi (39.19 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 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: 46 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 56m |
| 40 mph (64.37 km/h) | 00h 42m |
| 50 mph (80.47 km/h) | 00h 34m |
| 60 mph (96.56 km/h) | 00h 28m |
| 70 mph (112.65 km/h) | 00h 24m |
| 80 mph (129 km/h) | 00h 21m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.67 | $4.67 | $9.33 |
| Mid-grade | $5.29 | $5.29 | $10.58 |
| Premium | $5.84 | $5.84 | $11.67 |
| Diesel | $6.57 | $6.57 | $13.14 |
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