How far is Markham, IL from Diamond, IL?
The driving distance from Markham, IL to Diamond, IL is about 45 miles (72.4 km), with a travel time of about 00h 56m by car.
- The straight-line flight distance is about 35.7 miles (57.5 km).
- For a round trip, plan for roughly 01h 52m 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 00h 56m.
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 second most populous city in Will County, Illinois.
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 Diamond.
Turn-by-Turn Driving Directions
Step-by-step road directions between Markham and Diamond.
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1
Start on 163rd Street
20 m · 7 sec · 163rd Street
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2
Turn right onto Kedzie Avenue
2913 ft · 1 min · Kedzie Avenue
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3
Take the ramp slight right toward I 80 West
2482 ft · 1 min
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4
Merge slight left
28 mi · 35 min
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5
Take the exit slight right toward I 55 South: Saint Louis
1900 ft · 54 sec
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6
Merge slight left
14.4 mi · 16 min
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7
Take the exit slight right toward IL 113: Coal City, Kankakee
1649 ft · 38 sec
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8
Turn right onto West Coal City Road
1.1 km · 1 min · West Coal City Road
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9
Continue on East Division Street
1329 ft · 29 sec · East Division Street
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10
Turn right
12 m · 5 sec
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11
Turn right
10 m · 2 sec
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12
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Markham and Diamond.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
I 80 West
Merge slight left
28 mi · 00h 35m
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 Diamond.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Markham to Diamond?
The road trip is about 45 miles (72.4 km) and usually takes 00h 56m 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?
Joliet is a useful midpoint, sitting about 22.5 miles from Markham and 22.6 miles from Diamond.
How much longer is the road route than the straight-line distance?
The direct path is about 35.7 miles (57.5 km), while the road route adds roughly 9.3 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 4:38 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $6.00 one way or $11.99 round trip. Estimated CO2 is about 14.1 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Markham and Mostly Sunny near Diamond.
Stop Ideas Near Joliet
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 Joliet.
Joliet Transportation Center
Naperville
Homewood
La Grange Road
Flight Path Map
This map shows the direct air route between Markham and Diamond. Straight-line distance: 35.72 mi (57.49 km).
#1 Markham
A city located in Cook County, Illinois.
| Population | 13,400 |
| Coordinates | 41.5936500, -87.6947700 |
| Altitude | 189 |
| Country | United States |
#2 Diamond
Village in Illinois, USA
| Population | 2,484 |
| Coordinates | 41.2886400, -88.2517300 |
| Altitude | 172 |
| Country | United States |
End: Diamond (-88.25173, 41.28864)
Estimated Travel Time
Distance: 72 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 30m |
| 40 mph (64.37 km/h) | 01h 07m |
| 50 mph (80.47 km/h) | 00h 54m |
| 60 mph (96.56 km/h) | 00h 45m |
| 70 mph (112.65 km/h) | 00h 38m |
| 80 mph (129 km/h) | 00h 33m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $6.00 | $11.99 |
| Mid-grade | $4.25 | $6.76 | $13.52 |
| Premium | $4.65 | $7.40 | $14.80 |
| Diesel | $5.30 | $8.43 | $16.87 |
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.