How far is Darien, IL from Crystal Lake, IL?
The driving distance from Darien, IL to Crystal Lake, IL is about 48.5 miles (78 km), with a travel time of about 01h 07m by car.
- The straight-line flight distance is about 38.1 miles (61.3 km).
- For a round trip, plan for roughly 02h 14m 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 07m.
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 Darien and Crystal Lake.
Turn-by-Turn Driving Directions
Step-by-step road directions between Darien and Crystal Lake.
-
1
Start on Cass Avenue
5 m · 3 sec · Cass Avenue
-
2
Turn right onto 75th Street
3.1 mi · 6 min · 75th Street
-
3
Take the ramp slight right toward I 355 North: Northwest Suburbs
2743 ft · 1 min
-
4
Merge slight left onto Veterans Memorial Tollway
16.2 mi · 20 min · Veterans Memorial Tollway
-
5
Merge slight left
5.6 mi · 7 min
-
6
Keep slight left
2.2 mi · 3 min
-
7
Take the exit slight right toward Kirchoff Road
1873 ft · 50 sec
-
8
Turn left onto Kirchoff Road
1.3 km · 2 min · Kirchoff Road
-
9
Turn right onto South Plum Grove Road
1.9 mi · 4 min · South Plum Grove Road
-
10
Turn left onto West Colfax Street
1.6 mi · 3 min · West Colfax Street
-
11
Continue on Sterling Avenue
136 m · 20 sec · Sterling Avenue
-
12
Turn left onto West Northwest Highway
15.2 mi · 24 min · West Northwest Highway
-
13
Turn right onto South Main Street
1 mi · 2 min · South Main Street
-
14
Turn left onto East Crystal Lake Avenue
8 m · 1 sec · East Crystal Lake Avenue
-
15
Arrive at your destination
0 m · 1 sec · East Crystal Lake Avenue
Car Route Details
A richer read on the saved driving route between Darien and Crystal Lake.
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.
Veterans Memorial Tollway
Merge slight left onto Veterans Memorial Tollway
16.2 mi · 00h 20m
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 Darien and Rain Showers near Crystal Lake.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Darien to Crystal Lake?
The road trip is about 48.5 miles (78 km) and usually takes 01h 07m 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 24.3 miles from Darien and 24.2 miles from Crystal Lake.
How much longer is the road route than the straight-line distance?
The direct path is about 38.1 miles (61.3 km), while the road route adds roughly 10.4 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 4:16 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $7.98 one way or $15.95 round trip. Estimated CO2 is about 15.2 kg one way.
What should you check before leaving?
Before you leave, expect Rain Showers around Darien and Rain Showers near Crystal Lake.
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 Darien and Crystal Lake. Straight-line distance: 38.09 mi (61.3 km).
#1 Darien
Town in Connecticut
| Population | 21,531 |
| Coordinates | 41.7519800, -87.9739500 |
| Altitude | 231 |
| Country | United States |
#2 Crystal Lake
City located in McHenry County, Illinois, USA
| Population | 39,642 |
| Coordinates | 42.2411300, -88.3162000 |
| Altitude | 279 |
| Country | United States |
End: East Crystal Lake Avenue (-88.316198, 42.241185)
Estimated Travel Time
Distance: 78 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 36m |
| 40 mph (64.37 km/h) | 01h 12m |
| 50 mph (80.47 km/h) | 00h 58m |
| 60 mph (96.56 km/h) | 00h 48m |
| 70 mph (112.65 km/h) | 00h 41m |
| 80 mph (129 km/h) | 00h 36m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.67 | $7.98 | $15.95 |
| Mid-grade | $5.29 | $9.05 | $18.10 |
| Premium | $5.84 | $9.98 | $19.96 |
| Diesel | $6.57 | $11.24 | $22.47 |
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