How far is Forest Park, IL from Naperville, IL?
The driving distance from Forest Park, IL to Naperville, IL is about 21 miles (33.8 km), with a travel time of about 00h 25m by car.
- The straight-line flight distance is about 18.3 miles (29.5 km).
- For a round trip, plan for roughly 00h 51m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM CDT.
Reverse, save, or send this route
This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.
This is an easy same-day return drive.
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 25m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
This departure sits inside the recommended comfort window for the route.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
City in DuPage County, Illinois
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Showers And Thunderstorms
Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Forest Park and Naperville.
Turn-by-Turn Driving Directions
Step-by-step road directions between Forest Park and Naperville.
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1
Start on Madison Street
13 m · 7 sec · Madison Street
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2
Turn left onto Des Plaines Avenue
2198 ft · 1 min · Des Plaines Avenue
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3
Take the ramp right toward I 290 West: Eisenhower Expressway
925 ft · 25 sec
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4
Merge slight left onto Eisenhower Expressway
4.5 mi · 6 min · Eisenhower Expressway
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5
Keep slight left to continue on Ronald Reagan Memorial Tollway
1.9 mi · 2 min · Ronald Reagan Memorial Tollway
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6
Keep slight right to continue on Ronald Reagan Memorial Tollway
11.2 mi · 14 min · Ronald Reagan Memorial Tollway
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7
Take the exit slight right
1892 ft · 48 sec
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8
Turn left onto Freedom Drive
2151 ft · 57 sec · Freedom Drive
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9
Turn right onto East Diehl Road
1.4 km · 2 min · East Diehl Road
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10
Turn left onto North Washington Street
1.3 mi · 3 min · North Washington Street
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11
Arrive at your destination
0 m · 1 sec · North Washington Street
Car Route Details
A richer read on the saved driving route between Forest Park and Naperville.
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.
Ronald Reagan Memorial Tollway
Keep slight right to continue on Ronald Reagan Memorial Tollway
11.2 mi · 00h 14m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A short regional drive
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
Chance Showers And Thunderstorms leaving Forest Park and Showers And Thunderstorms near Naperville.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Forest Park to Naperville?
The road trip is about 21 miles (33.8 km) and usually takes 00h 25m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
What is the halfway point on this route?
Oakbrook Terrace is a useful midpoint, sitting about 10.5 miles from Forest Park and 10.5 miles from Naperville.
How much longer is the road route than the straight-line distance?
The direct path is about 18.3 miles (29.5 km), while the road route adds roughly 2.7 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 7:00 AM to 7:00 PM CDT. If you want a more comfortable same-day return, try to leave by 7:38 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $2.79 one way or $5.58 round trip. Estimated CO2 is about 6.6 kg one way.
What should you check before leaving?
Before you leave, expect Chance Showers And Thunderstorms around Forest Park and Showers And Thunderstorms near Naperville.
Stop Ideas Near Oakbrook Terrace
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 Oakbrook Terrace.
La Grange Road
Summit
Naperville
Chicago Union Station
Flight Path Map
This map shows the direct air route between Forest Park and Naperville. Straight-line distance: 18.36 mi (29.54 km).
#1 Forest Park
Village in Illinois
| Population | 13,534 |
| Coordinates | 41.8794800, -87.8136700 |
| Altitude | 190 |
| Country | United States |
#2 Naperville
The second most populous city in Illinois.
| Population | 147,986 |
| Coordinates | 41.7858600, -88.1472900 |
| Altitude | 216 |
| Country | United States |
End: North Washington Street (-88.147302, 41.785837)
Estimated Travel Time
Distance: 34 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 42m |
| 40 mph (64.37 km/h) | 00h 31m |
| 50 mph (80.47 km/h) | 00h 25m |
| 60 mph (96.56 km/h) | 00h 21m |
| 70 mph (112.65 km/h) | 00h 18m |
| 80 mph (129 km/h) | 00h 15m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $2.79 | $5.58 |
| Mid-grade | $4.25 | $3.15 | $6.29 |
| Premium | $4.65 | $3.44 | $6.89 |
| Diesel | $5.30 | $3.92 | $7.85 |
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 15, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.