How far is Aurora, IL from Union Grove, IL?
The driving distance from Aurora, IL to Union Grove, IL is about 98.4 miles (158.4 km), with a travel time of about 01h 55m by car.
- The straight-line flight distance is about 88 miles (141.7 km).
- For a round trip, plan for roughly 03h 50m 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 55m.
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.
Mostly Sunny
Partly Sunny
Driving Route Map
The map below follows the saved road route between Aurora and Union Grove.
Turn-by-Turn Driving Directions
Step-by-step road directions between Aurora and Union 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
69.5 mi · 1 hr 14 min · Ronald Reagan Memorial Tollway
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8
Continue on Ronald Reagan Memorial Highway
1.1 mi · 1 min · Ronald Reagan Memorial Highway
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9
Continue on Ronald Reagan Memorial Highway
6.7 mi · 7 min · Ronald Reagan Memorial Highway
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10
Take the exit slight right toward US 30: Clinton, Rock Falls, Sterling
1 mi · 1 min
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11
Continue on Lincoln Road
9 mi · 12 min · Lincoln Road
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12
Continue on East Lincoln Way
1.3 mi · 3 min · East Lincoln Way
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13
Continue on East Lincolnway
1.2 km · 2 min · East Lincolnway
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14
Continue on West Lincoln Way
985 ft · 24 sec · West Lincoln Way
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15
Continue on Lincoln Road
2.5 mi · 4 min · Lincoln Road
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16
Turn right onto Hillside Road
1123 ft · 34 sec · Hillside Road
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17
Turn right onto Ward Road
17 m · 3 sec · Ward Road
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18
Arrive at your destination
0 m · 1 sec · Ward Road
Car Route Details
A richer read on the saved driving route between Aurora and Union Grove.
Straightforward drive
The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.
Ronald Reagan Memorial Tollway
Keep slight left to continue on Ronald Reagan Memorial Tollway
69.5 mi · 01h 14m
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.
Mostly Sunny leaving Aurora and Partly Sunny near Union Grove.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Aurora to Union Grove?
The road trip is about 98.4 miles (158.4 km) and usually takes 01h 55m 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?
Flagg is a useful midpoint, sitting about 49.1 miles from Aurora and 49.3 miles from Union Grove.
How much longer is the road route than the straight-line distance?
The direct path is about 88 miles (141.7 km), while the road route adds roughly 10.4 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 2:40 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $13.09 one way or $26.17 round trip. Estimated CO2 is about 30.8 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Aurora and Partly Sunny near Union Grove.
Stop Ideas Near Flagg
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 Flagg.
Mendota station
Rockford, Illinois
Plano
Princeton
Flight Path Map
This map shows the direct air route between Aurora and Union Grove. Straight-line distance: 88.04 mi (141.69 km).
#1 Aurora
The second most populous city in Illinois.
| Population | 196,383 |
| Coordinates | 41.7605800, -88.3200700 |
| Altitude | 207 |
| Country | United States |
#2 Union Grove
Township in Whiteside County, Illinois
| Population | 1,113 |
| Coordinates | 41.8342000, -90.0265100 |
| Altitude | 210 |
| Country | United States |
End: Union Grove (-90.02651, 41.8342)
Estimated Travel Time
Distance: 158 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 16m |
| 40 mph (64.37 km/h) | 02h 27m |
| 50 mph (80.47 km/h) | 01h 58m |
| 60 mph (96.56 km/h) | 01h 38m |
| 70 mph (112.65 km/h) | 01h 24m |
| 80 mph (129 km/h) | 01h 13m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $13.09 | $26.17 |
| Mid-grade | $4.25 | $14.76 | $29.52 |
| Premium | $4.65 | $16.15 | $32.30 |
| Diesel | $5.30 | $18.40 | $36.81 |
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.