How far is Markham, IL from Riley, IL?
The driving distance from Markham, IL to Riley, IL is about 78.7 miles (126.6 km), with a travel time of about 01h 36m by car.
- The straight-line flight distance is about 63.5 miles (102.2 km).
- For a round trip, plan for roughly 03h 13m 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 36m.
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 Cook County, Illinois
Route Weather Snapshot
Check the forecast at both ends before you head out.
Rain Showers Likely then Mostly Sunny
Driving Route Map
The map below follows the saved road route between Markham and Riley.
Turn-by-Turn Driving Directions
Step-by-step road directions between Markham and Riley.
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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
40.8 mi · 44 min · Jane Addams Memorial Tollway
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12
Take the exit slight right toward IL 23: Marengo, Genoa
2224 ft · 54 sec
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13
Turn right onto South State Street
1309 ft · 25 sec · South State Street
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14
Enter the roundabout and take exit 3 toward Harmony Road
68 m · 4 sec · Harmony Road
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15
Exit the roundabout onto Harmony Road
1.2 km · 1 min · Harmony Road
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16
Turn right onto Riley Road
2932 ft · 2 min · Riley Road
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17
Arrive at your destination
0 m · 1 sec · Riley Road
Car Route Details
A richer read on the saved driving route between Markham and Riley.
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
40.8 mi · 00h 44m
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 Markham and Rain Showers Likely then Mostly Sunny near Riley.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Markham to Riley?
The road trip is about 78.7 miles (126.6 km) and usually takes 01h 36m 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?
Elk Grove is a useful midpoint, sitting about 39.3 miles from Markham and 39.4 miles from Riley.
How much longer is the road route than the straight-line distance?
The direct path is about 63.5 miles (102.2 km), while the road route adds roughly 15.2 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 3:16 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $10.48 one way or $20.97 round trip. Estimated CO2 is about 24.7 kg one way.
What should you check before leaving?
Before you leave, expect Rain Showers around Markham and Rain Showers Likely then Mostly Sunny near Riley.
Stop Ideas Near Elk Grove
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 Elk Grove.
Glenview station
La Grange Road
Summit
Chicago Union Station
Flight Path Map
This map shows the direct air route between Markham and Riley. Straight-line distance: 63.5 mi (102.19 km).
#1 Markham
A city located in Cook County, Illinois.
| Population | 13,400 |
| Coordinates | 41.5936500, -87.6947700 |
| Altitude | 189 |
| Country | United States |
#2 Riley
Human settlement in Illinois, United States of America
| Population | 2,823 |
| Coordinates | 42.1914100, -88.6325900 |
| Altitude | 246 |
| Country | United States |
End: Riley (-88.63259, 42.19141)
Estimated Travel Time
Distance: 127 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 37m |
| 40 mph (64.37 km/h) | 01h 57m |
| 50 mph (80.47 km/h) | 01h 34m |
| 60 mph (96.56 km/h) | 01h 18m |
| 70 mph (112.65 km/h) | 01h 07m |
| 80 mph (129 km/h) | 00h 58m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $10.48 | $20.97 |
| Mid-grade | $4.25 | $11.82 | $23.65 |
| Premium | $4.65 | $12.94 | $25.88 |
| Diesel | $5.30 | $14.75 | $29.49 |
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 18, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.