How far is Niles, IL from Rock Falls, IL?
The driving distance from Niles, IL to Rock Falls, IL is about 114.8 miles (184.8 km), with a travel time of about 02h 16m by car.
- The straight-line flight distance is about 98.4 miles (158.4 km).
- For a round trip, plan for roughly 04h 33m 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 16m.
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.
Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Niles and Rock Falls.
Turn-by-Turn Driving Directions
Step-by-step road directions between Niles and Rock Falls.
-
1
Start on North Waukegan Road
2122 ft · 44 sec · North Waukegan Road
-
2
Continue on North Milwaukee Avenue
155 m · 17 sec · North Milwaukee Avenue
-
3
Turn right onto West Touhy Avenue
3.5 mi · 7 min · West Touhy Avenue
-
4
Turn left onto South Des Plaines River Road
56 m · 4 sec · South Des Plaines River Road
-
5
Take the ramp slight right toward I 294 South: Indiana
2265 ft · 55 sec
-
6
Merge slight left onto Tri-State Tollway
8.9 mi · 12 min · Tri-State Tollway
-
7
Take the exit slight right toward I 88 West, I 294 South: Aurora, Indiana
1.5 km · 2 min · Tri-State Tollway
-
8
Keep slight right to continue on Tri-State Tollway
1251 ft · 31 sec · Tri-State Tollway
-
9
Continue on Tri-State Tollway
1937 ft · 47 sec · Tri-State Tollway
-
10
Keep slight right to continue on I 88 West Toll: Aurora
2633 ft · 50 sec
-
11
Merge slight left onto Ronald Reagan Memorial Tollway
1.2 km · 60 sec · Ronald Reagan Memorial Tollway
-
12
Keep slight right to continue on Ronald Reagan Memorial Tollway
25.1 mi · 30 min · Ronald Reagan Memorial Tollway
-
13
Keep slight left to continue on Ronald Reagan Memorial Tollway
69.5 mi · 1 hr 14 min · Ronald Reagan Memorial Tollway
-
14
Take the exit slight right toward US 30: Aurora, Rock Falls
1996 ft · 49 sec
-
15
Turn right onto East Rock Falls Road
2.6 mi · 4 min · East Rock Falls Road
-
16
Turn right onto 1st Avenue
1.6 km · 1 min · 1st Avenue
-
17
Turn right onto Dixon Avenue
65 m · 11 sec · Dixon Avenue
-
18
Arrive at your destination
0 m · 1 sec · Dixon Avenue
Car Route Details
A richer read on the saved driving route between Niles and Rock Falls.
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
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.
Rain Showers leaving Niles 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 Niles to Rock Falls?
The road trip is about 114.8 miles (184.8 km) and usually takes 02h 16m 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 57.3 miles from Niles and 57.5 miles from Rock Falls.
How much longer is the road route than the straight-line distance?
The direct path is about 98.4 miles (158.4 km), while the road route adds roughly 16.4 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 1:56 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $18.89 one way or $37.79 round trip. Estimated CO2 is about 36 kg one way.
What should you check before leaving?
Before you leave, expect Rain Showers around Niles and Showers And Thunderstorms near Rock Falls.
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 Niles and Rock Falls. Straight-line distance: 98.39 mi (158.35 km).
#1 Niles
City in Trumbull County, Ohio
| Population | 28,615 |
| Coordinates | 42.0189200, -87.8028400 |
| Altitude | 194 |
| 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: 185 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 49m |
| 40 mph (64.37 km/h) | 02h 52m |
| 50 mph (80.47 km/h) | 02h 17m |
| 60 mph (96.56 km/h) | 01h 54m |
| 70 mph (112.65 km/h) | 01h 38m |
| 80 mph (129 km/h) | 01h 25m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.67 | $18.89 | $37.79 |
| Mid-grade | $5.29 | $21.43 | $42.87 |
| Premium | $5.84 | $23.64 | $47.28 |
| Diesel | $6.57 | $26.61 | $53.23 |
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