How far is Herrin, IL from Crystal Lake, IL?

The driving distance from Herrin, IL to Crystal Lake, IL is about 364.9 miles (587.3 km), with a travel time of about 05h 55m by car.

  • The straight-line flight distance is about 308.9 miles (497.2 km).
  • For a round trip, plan for roughly 11h 51m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 8:00 AM CDT.
Trip Tools

Reverse, save, or send this route

This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
364.91 mi
05h 55m
Flight
308.93 mi
497.18 km direct

This drive is better planned with a longer stop or an overnight stay.

Learn Distance

Choose another destination from Herrin.

Flight Distance

Direct air line
308.93 mi
Kilometers
497.18 km
Flight Time
00h 37m

Driving Distance

Road route
364.91 mi
Kilometers
587.27 km
Drive Time
05h 55m

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 05h 55m.

Arrival Snapshot
Arrive in Crystal Lake
Thu, Oct 15, 7:21 PM CDT
Return by in Herrin
Fri, Oct 16, 1:17 AM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Herrin
2026-10-15T13:25
Arrive Crystal Lake
Thu, Oct 15, 7:21 PM CDT
Route Timing
05h 55m
One way by road
Best Departure Window
6:00 AM to 8:00 AM CDT
Leave early for more breathing room
Arrive between
11:56 AM to 1:56 PM CDT

An early departure helps you fit a real stop into the day without turning the return into a late-night drive.

Leave by
5:08 AM CDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Herrin
9:00 PM CDT
Early departure recommended

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.

Mid-route stop
Savoy
IL

Town

From Herrin
178.9 mi
02h 57m
To Crystal Lake
186 mi
02h 57m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
87°F
Thursday

Showers And Thunderstorms Likely

Starts
Thu, Oct 15 6:00 AM CDT
Wind
1 to 12 mph S
Destination
60°F
Today

Rain Showers

Starts
Thu, Oct 15 11:00 AM CDT
Wind
5 to 10 mph ESE

Driving Route Map

The map below follows the saved road route between Herrin and Crystal Lake.

Turn-by-Turn Driving Directions

Step-by-step road directions between Herrin and Crystal Lake.

  1. 1

    Start on South Park Avenue

    2847 ft · 58 sec · South Park Avenue

  2. 2

    Turn right onto East Herrin Street

    1.4 mi · 2 min · East Herrin Street

  3. 3

    Continue on Herrin Road

    3.3 mi · 5 min · Herrin Road

  4. 4

    Take the ramp left

    1275 ft · 31 sec

  5. 5

    Merge slight left onto Ken Gray Expressway

    36.7 mi · 40 min · Ken Gray Expressway

  6. 6

    Keep slight right to continue on Ken Gray Expressway

    67.5 mi · 1 hr 13 min · Ken Gray Expressway

  7. 7

    Keep slight left to continue on I 57 North: Chicago

    185.5 mi · 3 hr 21 min

  8. 8

    Take the exit slight right toward IL 83, I 294 Toll North: Sibley Boulevard, 147th Street, Wisconsin

    1718 ft · 33 sec

  9. 9

    Keep slight right to continue on I 294 Toll North: Wisconsin

    1.8 mi · 3 min

  10. 10

    Merge slight left onto Tri-State Tollway

    20.8 mi · 26 min · Tri-State Tollway

  11. 11

    Keep slight left to continue on Tri-State Tollway

    1.2 mi · 1 min · Tri-State Tollway

  12. 12

    Take the exit slight right toward I 290 West, I 294 North, I 290 East: Rockford, Milwaukee, Chicago

    98 m · 8 sec · Tri-State Tollway

  13. 13

    Keep slight left to continue on Tri-State Tollway

    1.3 km · 2 min · Tri-State Tollway

  14. 14

    Keep slight left to continue on I 290 West: Rockford

    1.4 km · 2 min

  15. 15

    Keep slight left to continue on Saint Charles Road West

    1751 ft · 43 sec

  16. 16

    Merge slight left

    13.4 mi · 17 min

  17. 17

    Keep slight left

    2.2 mi · 3 min

  18. 18

    Take the exit slight right toward Kirchoff Road

    1873 ft · 50 sec

  19. 19

    Turn left onto Kirchoff Road

    1.3 km · 2 min · Kirchoff Road

  20. 20

    Turn right onto South Plum Grove Road

    1.9 mi · 4 min · South Plum Grove Road

  21. 21

    Turn left onto West Colfax Street

    1.6 mi · 3 min · West Colfax Street

  22. 22

    Continue on Sterling Avenue

    136 m · 20 sec · Sterling Avenue

  23. 23

    Turn left onto West Northwest Highway

    15.2 mi · 24 min · West Northwest Highway

  24. 24

    Turn right onto South Main Street

    1 mi · 2 min · South Main Street

  25. 25

    Turn left onto East Crystal Lake Avenue

    8 m · 1 sec · East Crystal Lake Avenue

  26. 26

    Arrive at your destination

    0 m · 1 sec · East Crystal Lake Avenue

Car Route Details

A richer read on the saved driving route between Herrin and Crystal Lake.

OSRM road route
Drive Character

Long-distance drive

This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.

Directions
26 steps
7 turns on the saved route
Ramps & Exits
7
3 merges, 4 ramps or exits
Navigation Density
7.1 / 100 mi
Decision points by distance
Main Roads
I 57 North
185 mi · 51%
Ken Gray Expressway
104 mi · 29%
Tri-State Tollway
22.8 mi · 6%
Saint Charles Road West
16 mi · 4%
West Northwest Highway
15.2 mi · 4%
Herrin Road
3.51 mi · 1%
Longest Stretch

I 57 North

Keep slight left to continue on I 57 North: Chicago

185 mi · 03h 21m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

A longer out-and-back drive

This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.

Drive Time
05h 55m
Long day trip
Same-Day Return
11h 52m
Round-trip wheel time
Road vs Air
+56 mi
308.9 mi direct line
Halfway Stop
Savoy
02h 57m from Herrin
Leave By
5:08 AM CDT
Early departure recommended
Weather Watch

Showers And Thunderstorms Likely leaving Herrin 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 Herrin to Crystal Lake?

The road trip is about 364.9 miles (587.3 km) and usually takes 05h 55m in normal driving conditions.

Is this a same-day trip or an overnight route?

This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.

What is the halfway point on this route?

Savoy is a useful midpoint, sitting about 178.9 miles from Herrin and 186 miles from Crystal Lake.

How much longer is the road route than the straight-line distance?

The direct path is about 308.9 miles (497.2 km), while the road route adds roughly 56 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 6:00 AM to 8:00 AM CDT. If you want a more comfortable same-day return, try to leave by 5:08 AM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $60.09 one way or $120.17 round trip. Estimated CO2 is about 114.5 kg one way.

What should you check before leaving?

Before you leave, expect Showers And Thunderstorms Likely around Herrin and Rain Showers near Crystal Lake.

Stop Ideas Near Savoy

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
Local place coverage is thin around Savoy, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Savoy.

RAIL

Illinois Terminal

7 mi away
45 East University Ave.
RAIL

Rantoul

29 mi away
West Sangamon and North Kentucky Aves.
BUS

Danville, Illinois

53 mi away
379 Lynch Road
RAIL

Mattoon station

65 mi away
1718 Broadway Ave.

Flight Path Map

This map shows the direct air route between Herrin and Crystal Lake. Straight-line distance: 308.93 mi (497.18 km).

Herrin

#1 Herrin

City in Williamson County, Illinois, United States

Population12,625
Coordinates37.8031100, -89.0275700
Altitude128
CountryUnited States
Crystal Lake

#2 Crystal Lake

City located in McHenry County, Illinois, USA

Population39,642
Coordinates42.2411300, -88.3162000
Altitude279
CountryUnited States
Start: South Park Avenue (-89.027583, 37.80311)
End: East Crystal Lake Avenue (-88.316198, 42.241185)

Estimated Travel Time

Distance: 587 km by road

SpeedTime
30 mph (48.3 km/h)12h 09m
40 mph (64.37 km/h)09h 07m
50 mph (80.47 km/h)07h 17m
60 mph (96.56 km/h)06h 04m
70 mph (112.65 km/h)05h 12m
80 mph (129 km/h)04h 33m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
12.88 gal
48.74 L · about $60.09
Round trip
$120.17
25.76 gal · 97.48 L
Estimated CO2
114.5 kg one way
Round trip: 228.9 kg / 505 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.67 $60.09 $120.17
Mid-grade $5.29 $68.16 $136.32
Premium $5.84 $75.18 $150.36
Diesel $6.57 $84.63 $169.27

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

There is no time difference between Herrin and Crystal Lake. The current time is 13:25:32.

Distance to Other Cities

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.