How far is Niles, IL from Rock Grove, IL?

The driving distance from Niles, IL to Rock Grove, IL is about 109.5 miles (176.3 km), with a travel time of about 02h 14m by car.

  • The straight-line flight distance is about 92.6 miles (149.1 km).
  • For a round trip, plan for roughly 04h 28m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM CDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
109.55 mi
02h 14m
Flight
92.66 mi
149.12 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from Niles.

Flight Distance

Direct air line
92.66 mi
Kilometers
149.12 km
Flight Time
00h 11m

Driving Distance

Road route
109.55 mi
Kilometers
176.31 km
Drive Time
02h 14m

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 14m.

Arrival Snapshot
Arrive in Rock Grove
Fri, Oct 16, 1:39 PM CDT
Return by in Niles
Fri, Oct 16, 3:53 PM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Niles
2026-10-16T11:25
Arrive Rock Grove
Fri, Oct 16, 1:39 PM CDT
Route Timing
02h 14m
One way by road
Best Departure Window
8:00 AM to 10:00 AM CDT
Aim for a morning departure
Arrive between
10:14 AM to 12:14 PM CDT

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
2:02 PM CDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Niles
9:30 PM CDT
Morning start is best

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.

Mid-route stop
Belvidere
IL

City in Illinois

From Niles
54.7 mi
01h 07m
To Rock Grove
54.9 mi
01h 07m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
52°F
Friday

Scattered Rain Showers

Starts
Fri, Oct 16 6:00 AM CDT
Wind
15 to 20 mph NW
Destination
53°F
Friday

Chance Rain Showers

Starts
Fri, Oct 16 6:00 AM CDT
Wind
20 to 25 mph NW

Driving Route Map

The map below follows the saved road route between Niles and Rock Grove.

Turn-by-Turn Driving Directions

Step-by-step road directions between Niles and Rock Grove.

  1. 1

    Start on North Waukegan Road

    2122 ft · 44 sec · North Waukegan Road

  2. 2

    Continue on North Milwaukee Avenue

    155 m · 17 sec · North Milwaukee Avenue

  3. 3

    Turn right onto West Touhy Avenue

    2.8 mi · 5 min · West Touhy Avenue

  4. 4

    Turn left onto South Dee Road

    1 mi · 2 min · South Dee Road

  5. 5

    Turn right onto Devon Avenue

    1.4 km · 2 min · Devon Avenue

  6. 6

    Take the ramp slight right toward I 90 West Toll

    1349 ft · 33 sec

  7. 7

    Merge slight left onto Jane Addams Memorial Tollway

    59.4 mi · 1 hr 4 min · Jane Addams Memorial Tollway

  8. 8

    Take the exit slight right toward I-39 South, US 51 South: Bloomington

    1.1 km · 1 min

  9. 9

    Merge slight right

    2475 ft · 30 sec

  10. 10

    Continue straight

    2.1 mi · 2 min

  11. 11

    Keep slight left to continue on U.S. Grant Memorial Highway

    26.8 mi · 31 min · U.S. Grant Memorial Highway

  12. 12

    Turn right onto South Rock City Road

    12.8 mi · 22 min · South Rock City Road

  13. 13

    At the end of the road, turn left onto East Rock Grove Road

    1.8 mi · 3 min · East Rock Grove Road

  14. 14

    Arrive at your destination

    0 m · 1 sec · East Rock Grove Road

Car Route Details

A richer read on the saved driving route between Niles and Rock Grove.

OSRM road route
Drive Character

Straightforward drive

The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.

Directions
14 steps
5 turns on the saved route
Ramps & Exits
4
2 merges, 2 ramps or exits
Navigation Density
12.8 / 100 mi
Decision points by distance
Main Roads
Jane Addams Memorial Tollway
59.4 mi · 54%
U.S. Grant Memorial Highway
26.8 mi · 24%
South Rock City Road
12.8 mi · 12%
I-39 South
3.26 mi · 3%
West Touhy Avenue
2.78 mi · 3%
East Rock Grove Road
1.76 mi · 2%
Longest Stretch

Jane Addams Memorial Tollway

Merge slight left onto Jane Addams Memorial Tollway

59.4 mi · 01h 04m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

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.

Drive Time
02h 14m
Day trip friendly
Same-Day Return
04h 28m
Round-trip wheel time
Road vs Air
+16.9 mi
92.6 mi direct line
Halfway Stop
Belvidere
01h 07m from Niles
Leave By
2:02 PM CDT
Morning start is best
Weather Watch

Scattered Rain Showers leaving Niles and Chance Rain Showers near Rock Grove.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Niles to Rock Grove?

The road trip is about 109.5 miles (176.3 km) and usually takes 02h 14m 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?

Belvidere is a useful midpoint, sitting about 54.7 miles from Niles and 54.9 miles from Rock Grove.

How much longer is the road route than the straight-line distance?

The direct path is about 92.6 miles (149.1 km), while the road route adds roughly 16.9 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 2:02 PM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $18.12 one way or $36.24 round trip. Estimated CO2 is about 34.3 kg one way.

What should you check before leaving?

Before you leave, expect Scattered Rain Showers around Niles and Chance Rain Showers near Rock Grove.

Stop Ideas Near Belvidere

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
Local place coverage is thin around Belvidere, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Belvidere.

BUS

Rockford, Illinois

11 mi away
7559 Walton St.
BUS

South Beloit, Illinois

28 mi away
15766 Manchester Road
BUS

Janesville, Wisconsin

52 mi away
3120 North Pontiac Drive
RAIL

Plano

72 mi away
101 West Main Street

Flight Path Map

This map shows the direct air route between Niles and Rock Grove. Straight-line distance: 92.66 mi (149.12 km).

Niles

#1 Niles

City in Trumbull County, Ohio

Population28,615
Coordinates42.0189200, -87.8028400
Altitude194
CountryUnited States
Photo coming soon

#2 Rock Grove

Unincorporated community in Illinois

Population1,296
Coordinates42.4630700, -89.5120600
Altitude288
CountryUnited States
Start: Niles (-87.80284, 42.01892)
End: Rock Grove (-89.51206, 42.46307)

Estimated Travel Time

Distance: 176 km by road

SpeedTime
30 mph (48.3 km/h)03h 39m
40 mph (64.37 km/h)02h 44m
50 mph (80.47 km/h)02h 11m
60 mph (96.56 km/h)01h 49m
70 mph (112.65 km/h)01h 33m
80 mph (129 km/h)01h 22m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
3.86 gal
14.63 L · about $18.12
Round trip
$36.24
7.72 gal · 29.26 L
Estimated CO2
34.3 kg one way
Round trip: 68.6 kg / 151 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.69 $18.12 $36.24
Mid-grade $5.33 $20.57 $41.15
Premium $5.88 $22.68 $45.36
Diesel $6.58 $25.39 $50.78

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 16, 2026

There is no time difference between Niles and Rock Grove. The current time is 11:25:03.

Distance to Other Cities

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.