How far is Elmhurst, IL from Rock Falls, IL?
The driving distance from Elmhurst, IL to Rock Falls, IL is about 101.7 miles (163.7 km), with a travel time of about 01h 58m by car.
- The straight-line flight distance is about 90.4 miles (145.5 km).
- For a round trip, plan for roughly 03h 56m 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 58m.
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.
The county seat of DeKalb County, Illinois.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Showers And Thunderstorms
Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Elmhurst and Rock Falls.
Turn-by-Turn Driving Directions
Step-by-step road directions between Elmhurst and Rock Falls.
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1
Start on the route
81 m · 25 sec
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2
Turn left
15 m · 9 sec
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3
Turn left onto West Park Avenue
110 m · 14 sec · West Park Avenue
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4
Turn right onto South York Street
2.1 mi · 4 min · South York Street
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5
Continue on South York Road
1.3 km · 2 min · South York Road
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6
Turn right onto Frontage Road
570 ft · 19 sec · Frontage Road
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7
Take the ramp left toward I 88 West, IL 110: West Aurora
993 ft · 24 sec
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8
Merge slight left onto Ronald Reagan Memorial Tollway
24.8 mi · 30 min · Ronald Reagan Memorial Tollway
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9
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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10
Take the exit slight right toward US 30: Aurora, Rock Falls
1996 ft · 49 sec
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11
Turn right onto East Rock Falls Road
2.6 mi · 4 min · East Rock Falls Road
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12
Turn right onto 1st Avenue
1.6 km · 1 min · 1st Avenue
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13
Turn right onto Dixon Avenue
65 m · 11 sec · Dixon Avenue
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14
Arrive at your destination
0 m · 1 sec · Dixon Avenue
Car Route Details
A richer read on the saved driving route between Elmhurst and Rock Falls.
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.
Showers And Thunderstorms leaving Elmhurst and Showers And Thunderstorms near Rock Falls.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Elmhurst to Rock Falls?
The road trip is about 101.7 miles (163.7 km) and usually takes 01h 58m 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?
DeKalb is a useful midpoint, sitting about 50.8 miles from Elmhurst and 51 miles from Rock Falls.
How much longer is the road route than the straight-line distance?
The direct path is about 90.4 miles (145.5 km), while the road route adds roughly 11.3 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 2:34 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $16.75 one way or $33.49 round trip. Estimated CO2 is about 31.9 kg one way.
What should you check before leaving?
Before you leave, expect Showers And Thunderstorms around Elmhurst and Showers And Thunderstorms near Rock Falls.
Stop Ideas Near DeKalb
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 DeKalb.
Plano
Rockford, Illinois
Mendota station
Naperville
Flight Path Map
This map shows the direct air route between Elmhurst and Rock Falls. Straight-line distance: 90.39 mi (145.47 km).
#1 Elmhurst
A city in DuPage County, Illinois.
| Population | 46,532 |
| Coordinates | 41.8994700, -87.9403400 |
| Altitude | 209 |
| Country | United States |
#2 Rock Falls
City in Illinois
| Population | 8,648 |
| Coordinates | 41.7797500, -89.6890000 |
| Altitude | 197 |
| Country | United States |
End: Rock Falls (-89.689, 41.77975)
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 | $4.67 | $16.75 | $33.49 |
| Mid-grade | $5.29 | $19.00 | $38.00 |
| Premium | $5.84 | $20.95 | $41.91 |
| Diesel | $6.57 | $23.59 | $47.18 |
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 · Oct 15, 2026