How far is Markham, IL from Clear Lake, IL?
The driving distance from Markham, IL to Clear Lake, IL is about 183.9 miles (296 km), with a travel time of about 03h 27m by car.
- The straight-line flight distance is about 157.3 miles (253.2 km).
- For a round trip, plan for roughly 06h 54m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM CDT.
Reverse, save, or send this route
This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.
This drive is better planned with a longer stop or an overnight stay.
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 03h 27m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Mostly Cloudy then Slight Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Markham and Clear Lake.
Turn-by-Turn Driving Directions
Step-by-step road directions between Markham and Clear Lake.
-
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
93 mi · 1 hr 40 min
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7
Keep slight right to continue on I 55 South: Saint Louis, Springfield
57.8 mi · 1 hr 2 min
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8
Take the exit slight right toward IL 54 East: Clinton
1706 ft · 58 sec
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9
Turn straight onto East Sangamon Avenue
1137 ft · 22 sec · East Sangamon Avenue
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10
Turn slight right onto Camp Butler Road
1.6 mi · 3 min · Camp Butler Road
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11
Continue on South Camp Butler Road
3081 ft · 1 min · South Camp Butler Road
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12
At the end of the road, turn right onto Old Route 36
1.4 km · 1 min · Old Route 36
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13
Turn left onto North Dixon Street
600 ft · 26 sec · North Dixon Street
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14
Turn left onto West Houston Street
150 m · 17 sec · West Houston Street
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15
Arrive at your destination
0 m · 1 sec · West Houston Street
Car Route Details
A richer read on the saved driving route between Markham and Clear Lake.
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 55 South
Merge slight left
93 mi · 01h 40m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A longer out-and-back drive
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
Mostly Sunny leaving Markham and Mostly Cloudy then Slight Chance Rain Showers near Clear Lake.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Markham to Clear Lake?
The road trip is about 183.9 miles (296 km) and usually takes 03h 27m in normal driving conditions.
Is this a same-day trip or an overnight route?
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
What is the halfway point on this route?
Chenoa is a useful midpoint, sitting about 91.9 miles from Markham and 92 miles from Clear Lake.
How much longer is the road route than the straight-line distance?
The direct path is about 157.3 miles (253.2 km), while the road route adds roughly 26.6 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 6:00 AM to 8:00 AM CDT. If you want a more comfortable same-day return, try to leave by 10:06 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $24.47 one way or $48.95 round trip. Estimated CO2 is about 57.7 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Markham and Mostly Cloudy then Slight Chance Rain Showers near Clear Lake.
Stop Ideas Near Chenoa
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 Chenoa.
Pontiac station
Uptown Station
Dwight station
Gilman
Flight Path Map
This map shows the direct air route between Markham and Clear Lake. Straight-line distance: 157.34 mi (253.22 km).
#1 Markham
A city located in Cook County, Illinois.
| Population | 13,400 |
| Coordinates | 41.5936500, -87.6947700 |
| Altitude | 189 |
| Country | United States |
#2 Clear Lake
Human settlement in Illinois, United States of America
| Population | 220 |
| Coordinates | 39.8136600, -89.5687100 |
| Altitude | 174 |
| Country | United States |
End: Clear Lake (-89.56871, 39.81366)
Estimated Travel Time
Distance: 296 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 06h 07m |
| 40 mph (64.37 km/h) | 04h 35m |
| 50 mph (80.47 km/h) | 03h 40m |
| 60 mph (96.56 km/h) | 03h 03m |
| 70 mph (112.65 km/h) | 02h 37m |
| 80 mph (129 km/h) | 02h 17m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $24.47 | $48.95 |
| Mid-grade | $4.25 | $27.60 | $55.20 |
| Premium | $4.65 | $30.20 | $60.41 |
| Diesel | $5.30 | $34.42 | $68.85 |
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 12, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.