How far is Aurora, IL from Marengo, IL?
The driving distance from Aurora, IL to Marengo, IL is about 44.6 miles (71.8 km), with a travel time of about 01h 04m by car.
- The straight-line flight distance is about 36.8 miles (59.3 km).
- For a round trip, plan for roughly 02h 09m 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 04m.
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.
City in Illinois, 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 Aurora and Marengo.
Turn-by-Turn Driving Directions
Step-by-step road directions between Aurora and Marengo.
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1
Start on West Galena Boulevard
575 ft · 15 sec · West Galena Boulevard
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2
Turn left onto North Lake Street
2.2 mi · 4 min · North Lake Street
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3
Continue on South Lincolnway Street
1885 ft · 39 sec · South Lincolnway Street
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4
Take the ramp left toward I 88 West Toll, IL 56 West Toll: Chicago, Dekalb-Iowa
118 m · 10 sec
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5
Keep slight left to continue on I 88 West, IL 56 West: DeKalb-Iowa
3054 ft · 1 min
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6
Merge slight left onto Ronald Reagan Memorial Tollway
2.8 mi · 3 min · Ronald Reagan Memorial Tollway
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7
Keep slight left to continue on Ronald Reagan Memorial Tollway
4.2 mi · 5 min · Ronald Reagan Memorial Tollway
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8
Take the exit slight right toward IL 47
1295 ft · 32 sec
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9
Continue on IL 47
858 ft · 21 sec
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10
Keep slight right to continue on IL 47
60 m · 7 sec
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11
Turn right
12.1 mi · 18 min
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12
Enter the roundabout and take exit 2 toward the route
42 m · 3 sec
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13
Exit the roundabout
2.4 mi · 4 min
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14
Enter the roundabout and take exit 2 toward the route
37 m · 2 sec
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15
Exit the roundabout
4.9 mi · 7 min
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16
Turn left onto U.S. Grant Memorial Highway
1.5 mi · 2 min · U.S. Grant Memorial Highway
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17
Continue on Brier Hill Road
1.6 mi · 2 min · Brier Hill Road
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18
Continue on U.S. Grant Memorial Highway
2.8 mi · 4 min · U.S. Grant Memorial Highway
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19
Continue on East Grant Highway
1.1 km · 55 sec · East Grant Highway
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20
Enter the roundabout and take exit 2 toward East Grant Highway
28 m · 2 sec · East Grant Highway
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21
Exit the roundabout onto East Grant Highway
3.3 mi · 4 min · East Grant Highway
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22
Enter the roundabout and take exit 3 toward East Grant Highway
60 m · 4 sec · East Grant Highway
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23
Exit the roundabout onto East Grant Highway
4.4 mi · 6 min · East Grant Highway
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24
Turn right onto South State Street
33 m · 2 sec · South State Street
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25
Arrive at your destination
0 m · 1 sec · South State Street
Car Route Details
A richer read on the saved driving route between Aurora 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.
Longest stretch
Turn right
12.1 mi · 00h 18m
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 Aurora and Sunny near Marengo.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Aurora to Marengo?
The road trip is about 44.6 miles (71.8 km) and usually takes 01h 04m 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?
Lily Lake is a useful midpoint, sitting about 22.3 miles from Aurora and 22.3 miles from Marengo.
How much longer is the road route than the straight-line distance?
The direct path is about 36.8 miles (59.3 km), while the road route adds roughly 7.8 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 4:20 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $5.92 one way or $11.84 round trip. Estimated CO2 is about 14 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Aurora and Sunny near Marengo.
Stop Ideas Near Lily Lake
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 Lily Lake.
Plano
Naperville
La Grange Road
Rockford, Illinois
Flight Path Map
This map shows the direct air route between Aurora and Marengo. Straight-line distance: 36.83 mi (59.27 km).
#1 Aurora
The second most populous city in Illinois.
| Population | 196,383 |
| Coordinates | 41.7605800, -88.3200700 |
| Altitude | 207 |
| 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: 72 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 29m |
| 40 mph (64.37 km/h) | 01h 06m |
| 50 mph (80.47 km/h) | 00h 53m |
| 60 mph (96.56 km/h) | 00h 44m |
| 70 mph (112.65 km/h) | 00h 38m |
| 80 mph (129 km/h) | 00h 33m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $5.92 | $11.84 |
| Mid-grade | $4.25 | $6.68 | $13.35 |
| Premium | $4.65 | $7.31 | $14.61 |
| Diesel | $5.30 | $8.33 | $16.65 |
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.