How far is Rock Grove, IL from Waukegan, IL?
The driving distance from Rock Grove, IL to Waukegan, IL is about 101.9 miles (164 km), with a travel time of about 02h 30m by car.
- The straight-line flight distance is about 85.3 miles (137.3 km).
- For a round trip, plan for roughly 05h 00m 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 30m.
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.
Township in McHenry County, Illinois
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Sunny then Slight Chance Rain Showers
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Rock Grove and Waukegan.
Turn-by-Turn Driving Directions
Step-by-step road directions between Rock Grove and Waukegan.
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1
Start on East Rock Grove Road
4.8 mi · 7 min · East Rock Grove Road
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2
Turn right onto North Davis Road
2.5 mi · 4 min · North Davis Road
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3
Continue on North West Street
1808 ft · 36 sec · North West Street
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4
Continue on North Davis Road
693 ft · 19 sec · North Davis Road
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5
Turn left onto East South Street
1.2 km · 1 min · East South Street
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6
Continue on HWY 75
1300 ft · 22 sec · HWY 75
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7
Continue on Freeport Road
16.9 mi · 23 min · Freeport Road
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8
Continue on South Blackhawk Boulevard
1.6 km · 2 min · South Blackhawk Boulevard
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9
Turn right onto East Main Street
1.3 km · 1 min · East Main Street
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10
Continue on Hononegah Road
2.6 mi · 5 min · Hononegah Road
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11
Turn right onto North 2nd Street
1.1 mi · 2 min · North 2nd Street
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12
Turn left onto Bridge Street
2094 ft · 46 sec · Bridge Street
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13
Continue on Belvidere Road
4.6 mi · 8 min · Belvidere Road
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14
Turn left onto West Lane Road
1452 ft · 22 sec · West Lane Road
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15
Continue on State Route 173
5.6 mi · 8 min · State Route 173
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16
Continue on West Grove Street
12.4 mi · 18 min · West Grove Street
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17
Turn left onto South Division Street
2662 ft · 49 sec · South Division Street
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18
Turn right onto East Diggins Street
18.8 mi · 27 min · East Diggins Street
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19
Continue on Kenosha Road
3.7 mi · 5 min · Kenosha Road
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20
Continue on West IL Route 173
13.9 mi · 21 min · West IL Route 173
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21
Turn right onto North Skokie Highway
7.4 mi · 9 min · North Skokie Highway
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22
Take the exit slight right toward IL 132: Grand Avenue
1010 ft · 28 sec
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23
Keep slight left to continue on IL 132 East
94 m · 11 sec
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24
Turn straight onto Grand Avenue
2.8 mi · 6 min · Grand Avenue
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25
Turn right onto North Jackson Street
1375 ft · 38 sec · North Jackson Street
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26
Arrive at your destination
0 m · 1 sec · North Jackson Street
Car Route Details
A richer read on the saved driving route between Rock Grove and Waukegan.
Straightforward drive
The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.
East Diggins Street
Turn right onto East Diggins Street
18.8 mi · 00h 27m
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.
Partly Sunny then Slight Chance Rain Showers leaving Rock Grove and Mostly Sunny near Waukegan.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Rock Grove to Waukegan?
The road trip is about 101.9 miles (164 km) and usually takes 02h 30m 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?
Chemung is a useful midpoint, sitting about 50.9 miles from Rock Grove and 51.1 miles from Waukegan.
How much longer is the road route than the straight-line distance?
The direct path is about 85.3 miles (137.3 km), while the road route adds roughly 16.6 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 1:30 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $13.58 one way or $27.15 round trip. Estimated CO2 is about 32 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny then Slight Chance Rain Showers around Rock Grove and Mostly Sunny near Waukegan.
Stop Ideas Near Chemung
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 Chemung.
South Beloit, Illinois
Rockford, Illinois
Janesville, Wisconsin
Sturtevant station
Flight Path Map
This map shows the direct air route between Rock Grove and Waukegan. Straight-line distance: 85.33 mi (137.32 km).
#1 Rock Grove
Unincorporated community in Illinois
| Population | 1,296 |
| Coordinates | 42.4630700, -89.5120600 |
| Altitude | 288 |
| Country | United States |
#2 Waukegan
The second most populous city in Lake County, Illinois.
| Population | 85,453 |
| Coordinates | 42.3636300, -87.8447900 |
| Altitude | 199 |
| Country | United States |
End: Waukegan (-87.84479, 42.36363)
Estimated Travel Time
Distance: 164 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 23m |
| 40 mph (64.37 km/h) | 02h 32m |
| 50 mph (80.47 km/h) | 02h 02m |
| 60 mph (96.56 km/h) | 01h 41m |
| 70 mph (112.65 km/h) | 01h 27m |
| 80 mph (129 km/h) | 01h 16m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $13.58 | $27.15 |
| Mid-grade | $4.25 | $15.31 | $30.62 |
| Premium | $4.65 | $16.75 | $33.51 |
| Diesel | $5.30 | $19.09 | $38.19 |
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 11, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.