How far is Joliet, IL from Prospect Heights, IL?

The driving distance from Joliet, IL to Prospect Heights, IL is about 48.7 miles (78.3 km), with a travel time of about 01h 11m by car.

  • The straight-line flight distance is about 40.1 miles (64.5 km).
  • For a round trip, plan for roughly 02h 23m 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
48.62 mi
01h 11m
Flight
40.1 mi
64.54 km direct

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

Learn Distance

Choose another destination from Joliet.

Flight Distance

Direct air line
40.1 mi
Kilometers
64.54 km
Flight Time
00h 04m

Driving Distance

Road route
48.62 mi
Kilometers
78.25 km
Drive Time
01h 11m

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 11m.

Arrival Snapshot
Arrive in Prospect Heights
Mon, May 25, 2:38 AM CDT
Return by in Joliet
Mon, May 25, 3:50 AM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Joliet
2026-05-25T01:27
Arrive Prospect Heights
Mon, May 25, 2:38 AM CDT
Route Timing
01h 11m
One way by road
Best Departure Window
8:00 AM to 10:00 AM CDT
Aim for a morning departure
Arrive between
9:12 AM to 11:12 AM CDT

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

Leave by
4:06 PM CDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Joliet
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
Downers Grove
IL

Village in Downers Grove, Lisle, and York Townships, DuPage County, Illinois, US

From Joliet
24.3 mi
00h 35m
To Prospect Heights
24.3 mi
00h 35m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
84°F
Memorial Day

Sunny

Starts
Mon, May 25 6:00 AM CDT
Wind
0 to 5 mph SSE
Destination
85°F
Memorial Day

Sunny

Starts
Mon, May 25 6:00 AM CDT
Wind
5 to 10 mph S

Driving Route Map

The map below follows the saved road route between Joliet and Prospect Heights.

Turn-by-Turn Driving Directions

Step-by-step road directions between Joliet and Prospect Heights.

  1. 1

    Start on the route

    34 m · 10 sec

  2. 2

    Turn right onto Ottawa Street

    53 m · 12 sec · Ottawa Street

  3. 3

    Turn left onto East Jefferson Street

    795 ft · 27 sec · East Jefferson Street

  4. 4

    Keep slight right to continue on East Jefferson Street

    1967 ft · 1 min · East Jefferson Street

  5. 5

    Continue on Collins Street

    2 mi · 5 min · Collins Street

  6. 6

    Continue on South State Street

    4.3 mi · 10 min · South State Street

  7. 7

    Continue on South Archer Avenue

    2.4 mi · 4 min · South Archer Avenue

  8. 8

    Turn left onto I 355 North: West Suburbs

    2672 ft · 1 min

  9. 9

    Merge slight left onto Veterans Memorial Tollway

    24.4 mi · 30 min · Veterans Memorial Tollway

  10. 10

    Merge slight left

    5.6 mi · 7 min

  11. 11

    Keep slight left

    4.9 mi · 7 min

  12. 12

    Take the exit slight right toward East Palatine Road

    2489 ft · 1 min

  13. 13

    Merge slight left onto Palatine Road

    1.1 mi · 1 min · Palatine Road

  14. 14

    Turn slight right onto East Rand Road

    1.5 mi · 3 min · East Rand Road

  15. 15

    Turn left onto West Camp McDonald Road

    1.4 km · 2 min · West Camp McDonald Road

  16. 16

    Arrive at your destination

    0 m · 1 sec · West Camp McDonald Road

Car Route Details

A richer read on the saved driving route between Joliet and Prospect Heights.

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
16 steps
5 turns on the saved route
Ramps & Exits
4
3 merges, 1 ramps or exits
Navigation Density
32.9 / 100 mi
Decision points by distance
Main Roads
Veterans Memorial Tollway
34.9 mi · 72%
South State Street
4.28 mi · 9%
South Archer Avenue
2.44 mi · 5%
Collins Street
1.95 mi · 4%
East Rand Road
1.49 mi · 3%
Palatine Road
1.12 mi · 2%
Longest Stretch

Veterans Memorial Tollway

Merge slight left onto Veterans Memorial Tollway

24.4 mi · 00h 30m

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 11m
Day trip friendly
Same-Day Return
02h 24m
Round-trip wheel time
Road vs Air
+8.6 mi
40.1 mi direct line
Halfway Stop
Downers Grove
00h 35m from Joliet
Leave By
4:06 PM CDT
Morning start is best
Weather Watch

Sunny leaving Joliet and Sunny near Prospect Heights.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Joliet to Prospect Heights?

The road trip is about 48.7 miles (78.3 km) and usually takes 01h 11m 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?

Downers Grove is a useful midpoint, sitting about 24.3 miles from Joliet and 24.3 miles from Prospect Heights.

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

The direct path is about 40.1 miles (64.5 km), while the road route adds roughly 8.6 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 4:06 PM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $6.45 one way or $12.90 round trip. Estimated CO2 is about 15.2 kg one way.

What should you check before leaving?

Before you leave, expect Sunny around Joliet and Sunny near Prospect Heights.

Stop Ideas Near Downers Grove

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

Mid-route Guidance
Local place coverage is thin around Downers Grove, 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 Downers Grove.

RAIL

La Grange Road

12 mi away
25 West Burlington St.
RAIL

Naperville

12 mi away
105 E. Fourth Ave.
RAIL

Summit

17 mi away
Archer Ave. and South Center Ave.
RAIL

Chicago Union Station

32 mi away
225 South Canal Street

Flight Path Map

This map shows the direct air route between Joliet and Prospect Heights. Straight-line distance: 40.1 mi (64.54 km).

Joliet

#1 Joliet

The second most populous city in Will County, Illinois.

Population85,583
Coordinates41.5251900, -88.0834000
Altitude165
CountryUnited States
Prospect Heights

#2 Prospect Heights

City in Cook County, Illinois, United States

Population15,702
Coordinates42.0953000, -87.9375700
Altitude204
CountryUnited States
Start: Joliet (-88.0834, 41.52519)
End: Prospect Heights (-87.93757, 42.0953)

Estimated Travel Time

Distance: 78 km by road

SpeedTime
30 mph (48.3 km/h)01h 37m
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.

One-way fuel
1.71 gal
6.49 L · about $6.45
Round trip
$12.90
3.42 gal · 12.98 L
Estimated CO2
15.2 kg one way
Round trip: 30.4 kg / 67 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $6.45 $12.90
Mid-grade $4.25 $7.27 $14.55
Premium $4.65 $7.96 $15.92
Diesel $5.30 $9.07 $18.14

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 · May 25, 2026

There is no time difference between Joliet and Prospect Heights. The current time is 01:27:10.

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.