How far is Flossmoor, IL from Naperville, IL?
The driving distance from Flossmoor, IL to Naperville, IL is about 43.2 miles (69.6 km), with a travel time of about 00h 51m by car.
- The straight-line flight distance is about 29.2 miles (47 km).
- For a round trip, plan for roughly 01h 42m 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 00h 51m.
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.
The most populous city in Will County, Illinois.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Flossmoor and Naperville.
Turn-by-Turn Driving Directions
Step-by-step road directions between Flossmoor and Naperville.
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1
Start on the route
25 m · 8 sec
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2
Turn right onto Flossmoor Road
1415 ft · 1 min · Flossmoor Road
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3
Turn left onto Governors Highway
1.1 mi · 2 min · Governors Highway
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4
Turn right onto Vollmer Road
4.7 mi · 9 min · Vollmer Road
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5
Turn right onto Harlem Avenue
1.6 mi · 3 min · Harlem Avenue
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6
Take the ramp slight right toward I 80 West: Joliet
1685 ft · 41 sec
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7
Merge slight left
8.3 mi · 10 min
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8
Take the exit slight right toward I 355 Toll North: Rockford
1.1 km · 1 min
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9
Continue on Veterans Memorial Tollway
19.2 mi · 22 min · Veterans Memorial Tollway
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10
Take the exit slight right toward US 34: Ogden Avenue
1604 ft · 39 sec
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11
Keep slight left to continue on US 34: Lisle
23 m · 4 sec
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12
Turn left onto East Ogden Avenue
5.1 mi · 11 min · East Ogden Avenue
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13
Turn right onto North Washington Street
15 m · 1 sec · North Washington Street
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14
Arrive at your destination
0 m · 1 sec · North Washington Street
Car Route Details
A richer read on the saved driving route between Flossmoor 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.
Veterans Memorial Tollway
Continue on Veterans Memorial Tollway
19.2 mi · 00h 22m
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.
Mostly Sunny leaving Flossmoor and Mostly Sunny near Naperville.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Flossmoor to Naperville?
The road trip is about 43.2 miles (69.6 km) and usually takes 00h 51m 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?
Lockport is a useful midpoint, sitting about 20.9 miles from Flossmoor and 22.4 miles from Naperville.
How much longer is the road route than the straight-line distance?
The direct path is about 29.2 miles (47 km), while the road route adds roughly 14 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 4:48 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $5.73 one way or $11.46 round trip. Estimated CO2 is about 13.5 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Flossmoor and Mostly Sunny near Naperville.
Stop Ideas Near Lockport
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 Lockport.
Joliet Transportation Center
Naperville
La Grange Road
Summit
Flight Path Map
This map shows the direct air route between Flossmoor and Naperville. Straight-line distance: 29.19 mi (46.97 km).
#1 Flossmoor
Village in United States of America
| Population | 9,018 |
| Coordinates | 41.5428100, -87.6847700 |
| Altitude | 206 |
| 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: 70 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 26m |
| 40 mph (64.37 km/h) | 01h 04m |
| 50 mph (80.47 km/h) | 00h 51m |
| 60 mph (96.56 km/h) | 00h 43m |
| 70 mph (112.65 km/h) | 00h 37m |
| 80 mph (129 km/h) | 00h 32m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $5.73 | $11.46 |
| Mid-grade | $4.25 | $6.46 | $12.93 |
| Premium | $4.65 | $7.07 | $14.15 |
| Diesel | $5.30 | $8.06 | $16.12 |
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 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.