How far is Aurora, IL from Rock Grove, IL?
The driving distance from Aurora, IL to Rock Grove, IL is about 104.4 miles (168 km), with a travel time of about 02h 07m by car.
- The straight-line flight distance is about 78 miles (125.6 km).
- For a round trip, plan for roughly 04h 15m 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 02h 07m.
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 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 Rock Grove.
Turn-by-Turn Driving Directions
Step-by-step road directions between Aurora and Rock Grove.
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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
34.8 mi · 37 min · Ronald Reagan Memorial Tollway
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8
Take the exit slight right toward I 39 North, US 51 North: Rockford
1.1 km · 1 min
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9
Merge slight left
21.1 mi · 23 min
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10
Take the exit slight left toward US 20 West: Freeport, Rockford
1.1 mi · 2 min
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11
Merge slight left onto U.S. Grant Memorial Highway
26.1 mi · 30 min · U.S. Grant Memorial Highway
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12
Turn right onto South Rock City Road
12.8 mi · 22 min · South Rock City Road
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13
At the end of the road, turn left onto East Rock Grove Road
1.8 mi · 3 min · East Rock Grove Road
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14
Arrive at your destination
0 m · 1 sec · East Rock Grove Road
Car Route Details
A richer read on the saved driving route between Aurora and Rock Grove.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
Ronald Reagan Memorial Tollway
Keep slight left to continue on Ronald Reagan Memorial Tollway
34.8 mi · 00h 37m
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 Rock Grove.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Aurora to Rock Grove?
The road trip is about 104.4 miles (168 km) and usually takes 02h 07m 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?
Monroe Center is a useful midpoint, sitting about 52.1 miles from Aurora and 52.3 miles from Rock Grove.
How much longer is the road route than the straight-line distance?
The direct path is about 78 miles (125.6 km), while the road route adds roughly 26.4 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 2:14 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $13.91 one way or $27.83 round trip. Estimated CO2 is about 32.8 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Aurora and Sunny near Rock Grove.
Stop Ideas Near Monroe Center
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 Monroe Center.
Rockford, Illinois
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Mendota station
Plano
Flight Path Map
This map shows the direct air route between Aurora and Rock Grove. Straight-line distance: 78.03 mi (125.57 km).
#1 Aurora
The second most populous city in Illinois.
| Population | 196,383 |
| Coordinates | 41.7605800, -88.3200700 |
| Altitude | 207 |
| Country | United States |
#2 Rock Grove
Unincorporated community in Illinois
| Population | 1,296 |
| Coordinates | 42.4630700, -89.5120600 |
| Altitude | 288 |
| Country | United States |
End: Rock Grove (-89.51206, 42.46307)
Estimated Travel Time
Distance: 168 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 28m |
| 40 mph (64.37 km/h) | 02h 36m |
| 50 mph (80.47 km/h) | 02h 05m |
| 60 mph (96.56 km/h) | 01h 44m |
| 70 mph (112.65 km/h) | 01h 29m |
| 80 mph (129 km/h) | 01h 18m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $13.91 | $27.83 |
| Mid-grade | $4.25 | $15.69 | $31.39 |
| Premium | $4.65 | $17.17 | $34.35 |
| Diesel | $5.30 | $19.57 | $39.14 |
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 · May 30, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.