How far is Naperville, IL from Marengo, IL?
The driving distance from Naperville, IL to Marengo, IL is about 49.3 miles (79.4 km), with a travel time of about 01h 12m by car.
- The straight-line flight distance is about 39.8 miles (64 km).
- For a round trip, plan for roughly 02h 25m 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 01h 12m.
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.
Village in United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Driving Route Map
The map below follows the saved road route between Naperville and Marengo.
Turn-by-Turn Driving Directions
Step-by-step road directions between Naperville and Marengo.
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1
Start on North Washington Street
15 m · 5 sec · North Washington Street
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2
Turn right onto West Ogden Avenue
1972 ft · 46 sec · West Ogden Avenue
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3
Turn right onto Mill Street
1.9 mi · 4 min · Mill Street
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4
Continue on Warrenville Road
1.4 km · 2 min · Warrenville Road
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5
Turn right onto Batavia Road
1.8 mi · 4 min · Batavia Road
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6
Turn right onto Illinois Route 59
1.8 mi · 3 min · Illinois Route 59
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7
Continue on South Neltnor Boulevard
4.1 mi · 7 min · South Neltnor Boulevard
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8
Continue on Illinois Route 59
5.3 mi · 9 min · Illinois Route 59
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9
Continue on Ingalton Avenue
2933 ft · 58 sec · Ingalton Avenue
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10
Continue on South Sutton Road
2.6 mi · 4 min · South Sutton Road
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11
Continue on New Sutton Road
2.6 mi · 4 min · New Sutton Road
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12
Take the ramp right toward I 90 West Toll: Rockford
1921 ft · 47 sec
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13
Merge slight left onto Jane Addams Memorial Tollway
17.6 mi · 19 min · Jane Addams Memorial Tollway
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14
Take the exit slight right toward US 20: Hampshire, Marengo
2399 ft · 1 min
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15
At the end of the road, turn left onto U.S. Grant Memorial Highway
2537 ft · 53 sec · U.S. Grant Memorial Highway
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16
Continue on East Grant Highway
1.1 km · 55 sec · East Grant Highway
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17
Enter the roundabout and take exit 2 toward East Grant Highway
28 m · 2 sec · East Grant Highway
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18
Exit the roundabout onto East Grant Highway
3.3 mi · 4 min · East Grant Highway
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19
Enter the roundabout and take exit 3 toward East Grant Highway
60 m · 4 sec · East Grant Highway
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20
Exit the roundabout onto East Grant Highway
4.4 mi · 6 min · East Grant Highway
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21
Turn right onto South State Street
33 m · 2 sec · South State Street
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22
Arrive at your destination
0 m · 1 sec · South State Street
Car Route Details
A richer read on the saved driving route between Naperville and Marengo.
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.
Jane Addams Memorial Tollway
Merge slight left onto Jane Addams Memorial Tollway
17.6 mi · 00h 19m
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.
Sunny leaving Naperville and Sunny near Marengo.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Naperville to Marengo?
The road trip is about 49.3 miles (79.4 km) and usually takes 01h 12m 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?
East Dundee is a useful midpoint, sitting about 24.7 miles from Naperville and 24.7 miles from Marengo.
How much longer is the road route than the straight-line distance?
The direct path is about 39.8 miles (64 km), while the road route adds roughly 9.5 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 4:04 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $6.56 one way or $13.12 round trip. Estimated CO2 is about 15.5 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Naperville and Sunny near Marengo.
Stop Ideas Near East Dundee
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 East Dundee.
Naperville
Glenview station
La Grange Road
Summit
Flight Path Map
This map shows the direct air route between Naperville and Marengo. Straight-line distance: 39.78 mi (64.02 km).
#1 Naperville
The second most populous city in Illinois.
| Population | 147,986 |
| Coordinates | 41.7858600, -88.1472900 |
| Altitude | 216 |
| Country | United States |
#2 Marengo
City in McHenry County, Illinois, United States
| Population | 7,377 |
| Coordinates | 42.2486300, -88.6084300 |
| Altitude | 254 |
| Country | United States |
End: Marengo (-88.60843, 42.24863)
Estimated Travel Time
Distance: 79 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 38m |
| 40 mph (64.37 km/h) | 01h 14m |
| 50 mph (80.47 km/h) | 00h 59m |
| 60 mph (96.56 km/h) | 00h 49m |
| 70 mph (112.65 km/h) | 00h 42m |
| 80 mph (129 km/h) | 00h 36m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $6.56 | $13.12 |
| Mid-grade | $4.25 | $7.40 | $14.80 |
| Premium | $4.65 | $8.10 | $16.20 |
| Diesel | $5.30 | $9.23 | $18.46 |
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.