How far is Big Rock, IL from Joliet, IL?

The driving distance from Big Rock, IL to Joliet, IL is about 35.4 miles (56.9 km), with a travel time of about 01h 00m by car.

  • The straight-line flight distance is about 29.1 miles (46.8 km).
  • For a round trip, plan for roughly 02h 00m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM CDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
35.37 mi
01h 00m
Flight
29.07 mi
46.78 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from Big Rock.

Flight Distance

Direct air line
29.07 mi
Kilometers
46.78 km
Flight Time
00h 03m

Driving Distance

Road route
35.37 mi
Kilometers
56.92 km
Drive Time
01h 00m

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 00m.

Arrival Snapshot
Arrive in Joliet
Sun, Apr 19, 1:02 AM CDT
Return by in Big Rock
Sun, Apr 19, 2:02 AM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Big Rock
2026-04-19T00:02
Arrive Joliet
Sun, Apr 19, 1:02 AM CDT
Route Timing
01h 00m
One way by road
Best Departure Window
8:00 AM to 10:00 AM CDT
Aim for a morning departure
Arrive between
9:00 AM to 11:00 AM CDT

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
4:30 PM CDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Big Rock
9:30 PM CDT
Morning start is best

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
Boulder Hill
IL

City in Illinois, United States of America

From Big Rock
17.6 mi
00h 30m
To Joliet
17.7 mi
00h 30m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
52°F
Sunday

Sunny

Starts
Sun, Apr 19 6:00 AM CDT
Wind
10 to 20 mph WNW
Destination
53°F
Sunday

Mostly Sunny

Starts
Sun, Apr 19 6:00 AM CDT
Wind
15 to 20 mph WNW

Driving Route Map

The map below follows the saved road route between Big Rock and Joliet.

Turn-by-Turn Driving Directions

Step-by-step road directions between Big Rock and Joliet.

  1. 1

    Start on the route

    14 m · 6 sec

  2. 2

    Turn right onto Galena Street

    5.3 mi · 8 min · Galena Street

  3. 3

    Take the exit slight right toward US 30 East, IL 47 South: Joliet, Sugar Grove

    1147 ft · 28 sec

  4. 4

    Merge slight left onto Illinois Route 47

    108 m · 7 sec · Illinois Route 47

  5. 5

    Continue on United States Route 30

    2.8 mi · 3 min · United States Route 30

  6. 6

    Turn left onto East Base Line Road

    8.3 mi · 12 min · East Base Line Road

  7. 7

    Turn left onto Ogden Avenue

    1977 ft · 48 sec · Ogden Avenue

  8. 8

    Turn right onto Hill Avenue

    736 ft · 14 sec · Hill Avenue

  9. 9

    Turn straight onto Lincoln Highway

    7.4 mi · 11 min · Lincoln Highway

  10. 10

    Turn left onto 143rd Street

    1.6 km · 2 min · 143rd Street

  11. 11

    Turn right onto North Division Street

    1.2 mi · 3 min · North Division Street

  12. 12

    Turn left onto North Joliet Road

    2.5 mi · 5 min · North Joliet Road

  13. 13

    Continue on Plainfield Road

    5.2 mi · 11 min · Plainfield Road

  14. 14

    Continue on North Center Street

    2358 ft · 1 min · North Center Street

  15. 15

    Turn left onto West Jefferson Street

    1945 ft · 1 min · West Jefferson Street

  16. 16

    Turn left onto Joliet Street

    53 m · 7 sec · Joliet Street

  17. 17

    Turn right

    83 m · 20 sec

  18. 18

    Arrive at your destination

    0 m · 1 sec

Car Route Details

A richer read on the saved driving route between Big Rock and Joliet.

OSRM road route
Drive Character

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.

Directions
18 steps
11 turns on the saved route
Ramps & Exits
2
1 merges, 1 ramps or exits
Navigation Density
50.8 / 100 mi
Decision points by distance
Main Roads
East Base Line Road
8.32 mi · 24%
Lincoln Highway
7.36 mi · 21%
Galena Street
5.27 mi · 15%
Plainfield Road
5.24 mi · 15%
United States Route 30
2.83 mi · 8%
North Joliet Road
2.46 mi · 7%
Longest Stretch

East Base Line Road

Turn left onto East Base Line Road

8.32 mi · 00h 12m

Route Summary

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

Trip Read

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.

Drive Time
01h 00m
Day trip friendly
Same-Day Return
02h 00m
Round-trip wheel time
Road vs Air
+6.3 mi
29.1 mi direct line
Halfway Stop
Boulder Hill
00h 30m from Big Rock
Leave By
4:30 PM CDT
Morning start is best
Weather Watch

Sunny leaving Big Rock and Mostly Sunny near Joliet.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Big Rock to Joliet?

The road trip is about 35.4 miles (56.9 km) and usually takes 01h 00m 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?

Boulder Hill is a useful midpoint, sitting about 17.6 miles from Big Rock and 17.7 miles from Joliet.

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

The direct path is about 29.1 miles (46.8 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 4:30 PM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $4.71 one way or $9.43 round trip. Estimated CO2 is about 11.1 kg one way.

What should you check before leaving?

Before you leave, expect Sunny around Big Rock and Mostly Sunny near Joliet.

Stop Ideas Near Boulder Hill

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

Mid-route Guidance
Local place coverage is thin around Boulder Hill, 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 Boulder Hill.

RAIL

Naperville

18 mi away
105 E. Fourth Ave.
RAIL

Plano

18 mi away
101 West Main Street
RAIL

Joliet Transportation Center

30 mi away
50 East Jefferson Street
RAIL

La Grange Road

40 mi away
25 West Burlington St.

Flight Path Map

This map shows the direct air route between Big Rock and Joliet. Straight-line distance: 29.07 mi (46.78 km).

Big Rock

#1 Big Rock

Village in Kane County, Illinois, United States

Population1,121
Coordinates41.7639200, -88.5470200
Altitude216
CountryUnited States
Joliet

#2 Joliet

The second most populous city in Will County, Illinois.

Population85,583
Coordinates41.5251900, -88.0834000
Altitude165
CountryUnited States
Start: Big Rock (-88.54702, 41.76392)
End: Joliet (-88.0834, 41.52519)

Estimated Travel Time

Distance: 57 km by road

SpeedTime
30 mph (48.3 km/h)01h 10m
40 mph (64.37 km/h)00h 53m
50 mph (80.47 km/h)00h 42m
60 mph (96.56 km/h)00h 35m
70 mph (112.65 km/h)00h 30m
80 mph (129 km/h)00h 26m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
1.25 gal
4.72 L · about $4.71
Round trip
$9.43
2.5 gal · 9.44 L
Estimated CO2
11.1 kg one way
Round trip: 22.2 kg / 49 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $4.71 $9.43
Mid-grade $4.25 $5.32 $10.63
Premium $4.65 $5.82 $11.64
Diesel $5.30 $6.63 $13.26

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 · Apr 19, 2026

There is no time difference between Big Rock and Joliet. The current time is 00:02:30.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

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