How far is Rockford, IL from South Elgin, IL?
The driving distance from Rockford, IL to South Elgin, IL is about 51.6 miles (83.1 km), with a travel time of about 01h 08m by car.
- The straight-line flight distance is about 45.3 miles (72.9 km).
- For a round trip, plan for roughly 02h 16m 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 08m.
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.
Human settlement in Illinois, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Rockford and South Elgin.
Turn-by-Turn Driving Directions
Step-by-step road directions between Rockford and South Elgin.
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1
Start on West State Street
3.4 mi · 6 min · West State Street
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2
Turn right onto South Alpine Road
1.5 km · 2 min · South Alpine Road
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3
Continue on South Alpine Road
109 m · 14 sec · South Alpine Road
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4
Turn right
26 m · 4 sec
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5
Turn right onto Charles Street
2.8 mi · 5 min · Charles Street
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6
Turn right onto South Mall Drive
118 m · 19 sec · South Mall Drive
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7
Turn left onto Harrison Avenue
3021 ft · 1 min · Harrison Avenue
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8
Take the ramp slight left
1207 ft · 30 sec
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9
Merge slight left
912 ft · 11 sec
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10
Take the exit slight right toward I 90 East: Chicago
2544 ft · 1 min
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11
Merge slight left onto Jane Addams Memorial Tollway
19.8 mi · 21 min · Jane Addams Memorial Tollway
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12
Keep slight left to continue on Jane Addams Memorial Tollway
14.4 mi · 15 min · Jane Addams Memorial Tollway
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13
Take the exit slight right toward Randall Road
1803 ft · 44 sec
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14
Turn slight right onto Randall Road
5.9 mi · 10 min · Randall Road
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15
Turn sharp left onto Hopps Road
2852 ft · 57 sec · Hopps Road
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16
Continue on West Spring Street
1.6 mi · 3 min · West Spring Street
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17
Turn right onto North La Fox Street
79 m · 12 sec · North La Fox Street
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18
Turn left onto West State Street
570 ft · 11 sec · West State Street
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19
Continue on State Street Bridge
112 m · 7 sec · State Street Bridge
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20
Continue on East State Street
108 m · 9 sec · East State Street
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21
Turn right onto South Center Street
12 m · 2 sec · South Center Street
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22
Arrive at your destination
0 m · 1 sec · South Center Street
Car Route Details
A richer read on the saved driving route between Rockford and South Elgin.
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.
Jane Addams Memorial Tollway
Merge slight left onto Jane Addams Memorial Tollway
19.8 mi · 00h 21m
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 Rockford and Mostly Sunny near South Elgin.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Rockford to South Elgin?
The road trip is about 51.6 miles (83.1 km) and usually takes 01h 08m 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?
Riley is a useful midpoint, sitting about 25.8 miles from Rockford and 25.8 miles from South Elgin.
How much longer is the road route than the straight-line distance?
The direct path is about 45.3 miles (72.9 km), while the road route adds roughly 6.3 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 4:14 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $6.86 one way or $13.73 round trip. Estimated CO2 is about 16.2 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Rockford and Mostly Sunny near South Elgin.
Stop Ideas Near Riley
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 Riley.
Rockford, Illinois
South Beloit, Illinois
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Naperville
Flight Path Map
This map shows the direct air route between Rockford and South Elgin. Straight-line distance: 45.32 mi (72.93 km).
#1 Rockford
The second most populous city in Illinois.
| Population | 144,835 |
| Coordinates | 42.2711300, -89.0940000 |
| Altitude | 218 |
| Country | United States |
#2 South Elgin
City in Illinois, United States of America
| Population | 24,646 |
| Coordinates | 41.9941900, -88.2923000 |
| Altitude | 216 |
| Country | United States |
End: South Elgin (-88.2923, 41.99419)
Estimated Travel Time
Distance: 83 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 43m |
| 40 mph (64.37 km/h) | 01h 17m |
| 50 mph (80.47 km/h) | 01h 01m |
| 60 mph (96.56 km/h) | 00h 51m |
| 70 mph (112.65 km/h) | 00h 44m |
| 80 mph (129 km/h) | 00h 38m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $6.86 | $13.73 |
| Mid-grade | $4.25 | $7.74 | $15.48 |
| Premium | $4.65 | $8.47 | $16.94 |
| Diesel | $5.30 | $9.65 | $19.31 |
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.