How far is Markham, IL from Rock Grove, IL?
The driving distance from Markham, IL to Rock Grove, IL is about 140.1 miles (225.5 km), with a travel time of about 02h 51m by car.
- The straight-line flight distance is about 110.9 miles (178.5 km).
- For a round trip, plan for roughly 05h 43m 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 51m.
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.
Village in Illinois, United States
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 Markham and Rock Grove.
Turn-by-Turn Driving Directions
Step-by-step road directions between Markham and Rock Grove.
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1
Start on 163rd Street
20 m · 10 sec · 163rd Street
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2
Turn left onto Kedzie Avenue
2.3 mi · 4 min · Kedzie Avenue
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3
Turn right onto West 147th Street
1979 ft · 39 sec · West 147th Street
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4
Turn left onto I 294 North: Wisconsin
3218 ft · 1 min
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5
Merge slight left onto Tri-State Tollway
20.8 mi · 26 min · Tri-State Tollway
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6
Keep slight left to continue on Tri-State Tollway
10.3 mi · 13 min · Tri-State Tollway
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7
Take the exit slight right toward I 190 West, I 90: O'Hare International Airport, Chicago, Rockford, River Road
1071 ft · 26 sec
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8
Keep slight left to continue on I 90 West Toll, I 90 East: Rockford, Chicago
1534 ft · 38 sec
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9
Keep slight left to continue on I 90 Toll West: Rockford
1.3 km · 2 min
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10
Merge slight left onto Jane Addams Memorial Tollway
929 ft · 12 sec · Jane Addams Memorial Tollway
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11
Keep slight left to continue on Jane Addams Memorial Tollway
59.5 mi · 1 hr 4 min · Jane Addams Memorial Tollway
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12
Take the exit slight right toward I-39 South, US 51 South: Bloomington
1.1 km · 1 min
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13
Merge slight right
2475 ft · 30 sec
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14
Continue straight
2.1 mi · 2 min
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15
Keep slight left to continue on U.S. Grant Memorial Highway
26.8 mi · 31 min · U.S. Grant Memorial Highway
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16
Turn right onto South Rock City Road
12.8 mi · 22 min · South Rock City Road
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17
At the end of the road, turn left onto East Rock Grove Road
1.8 mi · 3 min · East Rock Grove Road
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18
Arrive at your destination
0 m · 1 sec · East Rock Grove Road
Car Route Details
A richer read on the saved driving route between Markham and Rock Grove.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
Jane Addams Memorial Tollway
Keep slight left to continue on Jane Addams Memorial Tollway
59.5 mi · 01h 04m
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 Markham and Mostly Sunny near Rock Grove.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Markham to Rock Grove?
The road trip is about 140.1 miles (225.5 km) and usually takes 02h 51m 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?
Hampshire is a useful midpoint, sitting about 70 miles from Markham and 70.2 miles from Rock Grove.
How much longer is the road route than the straight-line distance?
The direct path is about 110.9 miles (178.5 km), while the road route adds roughly 29.2 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 12:46 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $18.63 one way or $37.26 round trip. Estimated CO2 is about 43.9 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Markham and Mostly Sunny near Rock Grove.
Stop Ideas Near Hampshire
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 Hampshire.
Rockford, Illinois
Naperville
Plano
South Beloit, Illinois
Flight Path Map
This map shows the direct air route between Markham and Rock Grove. Straight-line distance: 110.93 mi (178.53 km).
#1 Markham
A city located in Cook County, Illinois.
| Population | 13,400 |
| Coordinates | 41.5936500, -87.6947700 |
| Altitude | 189 |
| Country | United States |
#2 Rock Grove
Unincorporated community in Illinois
| Population | 1,296 |
| Coordinates | 42.4630700, -89.5120600 |
| Altitude | 288 |
| Country | United States |
End: Rock Grove (-89.51206, 42.46307)
Estimated Travel Time
Distance: 225 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 40m |
| 40 mph (64.37 km/h) | 03h 30m |
| 50 mph (80.47 km/h) | 02h 48m |
| 60 mph (96.56 km/h) | 02h 20m |
| 70 mph (112.65 km/h) | 02h 00m |
| 80 mph (129 km/h) | 01h 44m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $18.63 | $37.26 |
| Mid-grade | $4.25 | $21.01 | $42.02 |
| Premium | $4.65 | $22.99 | $45.98 |
| Diesel | $5.30 | $26.20 | $52.40 |
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 · Apr 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.