How far is Rock Falls, IL from Elk Grove, IL?
The driving distance from Rock Falls, IL to Elk Grove, IL is about 122.2 miles (196.6 km), with a travel time of about 01h 50m by car.
- The straight-line flight distance is about 91.3 miles (146.9 km).
- For a round trip, plan for roughly 03h 41m 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 50m.
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 DeKalb County, Illinois
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Rain Showers then Slight Chance Showers And Thunderstorms
Mostly Cloudy then Rain Likely
Driving Route Map
The map below follows the saved road route between Rock Falls and Elk Grove.
Turn-by-Turn Driving Directions
Step-by-step road directions between Rock Falls and Elk Grove.
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1
Start on Dixon Avenue
5 m · 1 sec · Dixon Avenue
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2
Turn left onto 1st Avenue
1 mi · 2 min · 1st Avenue
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3
Turn left onto East Rock Falls Road
2.9 mi · 4 min · East Rock Falls Road
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4
Take the ramp left
1563 ft · 39 sec
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5
Merge slight left onto Ronald Reagan Memorial Tollway
90.3 mi · 1 hr 40 min · Ronald Reagan Memorial Tollway
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6
Keep slight right to continue on Ronald Reagan Memorial Tollway
1.5 mi · 2 min · Ronald Reagan Memorial Tollway
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7
Take the exit slight right toward Midwest Road
1339 ft · 33 sec
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8
Turn right onto Midwest Road
2986 ft · 1 min · Midwest Road
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9
Turn right onto Butterfield Road
1.4 km · 2 min · Butterfield Road
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10
Take the ramp slight right toward IL 83 North, IL 38 West: Kingery Highway, Roosevelt Road
1503 ft · 41 sec
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11
Merge slight left onto Kingery Highway
7.4 mi · 12 min · Kingery Highway
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12
Continue on Busse Road
3.1 mi · 5 min · Busse Road
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13
Turn right onto Touhy Avenue
1.4 km · 2 min · Touhy Avenue
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14
Turn right onto East Higgins Road
727 ft · 16 sec · East Higgins Road
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15
Turn right onto South Elmhurst Road
107 m · 7 sec · South Elmhurst Road
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16
Arrive at your destination
0 m · 1 sec · South Elmhurst Road
Car Route Details
A richer read on the saved driving route between Rock Falls and Elk 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
Merge slight left onto Ronald Reagan Memorial Tollway
90.3 mi · 01h 40m
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.
Chance Rain Showers then Slight Chance Showers And Thunderstorms leaving Rock Falls and Mostly Cloudy then Rain Likely near Elk Grove.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Rock Falls to Elk Grove?
The road trip is about 122.2 miles (196.6 km) and usually takes 01h 50m 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?
Cortland is a useful midpoint, sitting about 54.7 miles from Rock Falls and 67.4 miles from Elk Grove.
How much longer is the road route than the straight-line distance?
The direct path is about 91.3 miles (146.9 km), while the road route adds roughly 30.9 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 2:48 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $16.25 one way or $32.51 round trip. Estimated CO2 is about 38.3 kg one way.
What should you check before leaving?
Before you leave, expect Chance Rain Showers then Slight Chance Showers And Thunderstorms around Rock Falls and Mostly Cloudy then Rain Likely near Elk Grove.
Stop Ideas Near Cortland
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 Cortland.
Plano
Rockford, Illinois
Naperville
Mendota station
Flight Path Map
This map shows the direct air route between Rock Falls and Elk Grove. Straight-line distance: 91.3 mi (146.93 km).
#1 Rock Falls
City in Illinois
| Population | 8,648 |
| Coordinates | 41.7797500, -89.6890000 |
| Altitude | 197 |
| Country | United States |
#2 Elk Grove
Township in Cook County, Illinois
| Population | 31,831 |
| Coordinates | 42.0072500, -87.9403400 |
| Altitude | 204 |
| Country | United States |
End: South Elmhurst Road (-87.940348, 42.00725)
Estimated Travel Time
Distance: 197 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 04m |
| 40 mph (64.37 km/h) | 03h 03m |
| 50 mph (80.47 km/h) | 02h 26m |
| 60 mph (96.56 km/h) | 02h 02m |
| 70 mph (112.65 km/h) | 01h 44m |
| 80 mph (129 km/h) | 01h 31m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $16.25 | $32.51 |
| Mid-grade | $4.25 | $18.33 | $36.66 |
| Premium | $4.65 | $20.06 | $40.12 |
| Diesel | $5.30 | $22.86 | $45.72 |
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 12, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.