How far is Marengo, IL from Aurora, IL?

The driving distance from Marengo, IL to Aurora, IL is about 44.6 miles (71.8 km), with a travel time of about 01h 01m by car.

  • The straight-line flight distance is about 36.8 miles (59.3 km).
  • For a round trip, plan for roughly 02h 03m 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
44.58 mi
01h 01m
Flight
36.83 mi
59.27 km direct

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

Learn Distance

Choose another destination from Marengo.

Flight Distance

Direct air line
36.83 mi
Kilometers
59.27 km
Flight Time
00h 04m

Driving Distance

Road route
44.58 mi
Kilometers
71.75 km
Drive Time
01h 01m

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 01m.

Arrival Snapshot
Arrive in Aurora
Wed, Apr 22, 8:50 PM CDT
Return by in Marengo
Wed, Apr 22, 9:52 PM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Marengo
2026-04-22T19:48
Arrive Aurora
Wed, Apr 22, 8:50 PM CDT
Route Timing
01h 01m
One way by road
Best Departure Window
8:00 AM to 10:00 AM CDT
Aim for a morning departure
Arrive between
9:02 AM to 11:02 AM CDT

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

Leave by
4:26 PM CDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Marengo
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
Lily Lake
IL

City in Illinois, United States of America

From Marengo
22.2 mi
00h 30m
To Aurora
22.3 mi
00h 30m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
73°F
Wednesday

Sunny

Starts
Wed, Apr 22 6:00 AM CDT
Wind
5 to 10 mph E
Destination
75°F
Wednesday

Sunny

Starts
Wed, Apr 22 6:00 AM CDT
Wind
5 mph ENE

Driving Route Map

The map below follows the saved road route between Marengo and Aurora.

Turn-by-Turn Driving Directions

Step-by-step road directions between Marengo and Aurora.

  1. 1

    Start on South State Street

    33 m · 7 sec · South State Street

  2. 2

    Turn left onto East Grant Highway

    4.4 mi · 6 min · East Grant Highway

  3. 3

    Enter the roundabout and take exit 2 toward East Grant Highway

    33 m · 2 sec · East Grant Highway

  4. 4

    Exit the roundabout onto East Grant Highway

    3.3 mi · 4 min · East Grant Highway

  5. 5

    Enter the roundabout and take exit 2 toward East Grant Highway

    35 m · 2 sec · East Grant Highway

  6. 6

    Exit the roundabout onto East Grant Highway

    1.1 km · 55 sec · East Grant Highway

  7. 7

    Continue on U.S. Grant Memorial Highway

    2.8 mi · 4 min · U.S. Grant Memorial Highway

  8. 8

    Continue on Brier Hill Road

    1.6 mi · 2 min · Brier Hill Road

  9. 9

    Continue on U.S. Grant Memorial Highway

    1.5 mi · 2 min · U.S. Grant Memorial Highway

  10. 10

    Turn right

    4.9 mi · 7 min

  11. 11

    Enter the roundabout and take exit 2 toward the route

    39 m · 2 sec

  12. 12

    Exit the roundabout

    2.4 mi · 4 min

  13. 13

    Enter the roundabout and take exit 2 toward the route

    33 m · 2 sec

  14. 14

    Exit the roundabout

    10.8 mi · 16 min

  15. 15

    Continue straight

    1 mi · 2 min

  16. 16

    Continue straight

    2700 ft · 44 sec

  17. 17

    Take the exit left toward I 88 East Toll: Chicago

    1417 ft · 35 sec

  18. 18

    Merge slight left onto Ronald Reagan Memorial Tollway

    7 mi · 8 min · Ronald Reagan Memorial Tollway

  19. 19

    Take the exit slight right toward IL 31 East, IL 56 East

    2953 ft · 1 min

  20. 20

    Turn right onto South Lincolnway Street

    1904 ft · 53 sec · South Lincolnway Street

  21. 21

    Continue on North Lake Street

    2.2 mi · 5 min · North Lake Street

  22. 22

    Turn right onto West Galena Boulevard

    575 ft · 10 sec · West Galena Boulevard

  23. 23

    Arrive at your destination

    0 m · 1 sec · West Galena Boulevard

Car Route Details

A richer read on the saved driving route between Marengo and Aurora.

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
23 steps
12 turns on the saved route
Ramps & Exits
11
1 merges, 10 ramps or exits
Navigation Density
51.6 / 100 mi
Decision points by distance
Main Roads
U.S. Grant Memorial Highway
19.2 mi · 43%
East Grant Highway
8.4 mi · 19%
Ronald Reagan Memorial Tollway
6.99 mi · 16%
North Lake Street
2.17 mi · 5%
Brier Hill Road
1.64 mi · 4%
IL 31 East
0.56 mi · 1%
Longest Stretch

U.S. Grant Memorial Highway

Exit the roundabout

10.8 mi · 00h 16m

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 01m
Day trip friendly
Same-Day Return
02h 04m
Round-trip wheel time
Road vs Air
+7.8 mi
36.8 mi direct line
Halfway Stop
Lily Lake
00h 30m from Marengo
Leave By
4:26 PM CDT
Morning start is best
Weather Watch

Sunny leaving Marengo and Sunny near Aurora.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Marengo to Aurora?

The road trip is about 44.6 miles (71.8 km) and usually takes 01h 01m 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 22.2 miles from Marengo and 22.3 miles from Aurora.

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 4:26 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 Marengo and Sunny near Aurora.

Stop Ideas Near Lily Lake

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

Mid-route Guidance
Local place coverage is thin around Lily Lake, 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 Lily Lake.

RAIL

Plano

32 mi away
101 West Main Street
RAIL

Naperville

33 mi away
105 E. Fourth Ave.
RAIL

La Grange Road

52 mi away
25 West Burlington St.
BUS

Rockford, Illinois

55 mi away
7559 Walton St.

Flight Path Map

This map shows the direct air route between Marengo and Aurora. Straight-line distance: 36.83 mi (59.27 km).

Marengo

#1 Marengo

City in McHenry County, Illinois, United States

Population7,377
Coordinates42.2486300, -88.6084300
Altitude254
CountryUnited States
Aurora

#2 Aurora

The second most populous city in Illinois.

Population196,383
Coordinates41.7605800, -88.3200700
Altitude207
CountryUnited States
Start: South State Street (-88.60848, 42.24863)
End: West Galena Boulevard (-88.320111, 41.76053)

Estimated Travel Time

Distance: 72 km by road

SpeedTime
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.

One-way fuel
1.57 gal
5.96 L · about $5.92
Round trip
$11.84
3.14 gal · 11.92 L
Estimated CO2
14 kg one way
Round trip: 27.9 kg / 62 lb CO2, using regular gasoline.
Fuel$/galOne wayRound 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

There is no time difference between Marengo and Aurora. The current time is 19:48:55.

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.