How far is Markham, IL from Harrisburg, IL?
The driving distance from Markham, IL to Harrisburg, IL is about 309.7 miles (498.4 km), with a travel time of about 05h 51m by car.
- The straight-line flight distance is about 270.2 miles (434.8 km).
- For a round trip, plan for roughly 11h 42m 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 05h 51m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
This departure sits inside the recommended comfort window for the route.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
Village in Coles County, Illinois, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Clear
Driving Route Map
The map below follows the saved road route between Markham and Harrisburg.
Turn-by-Turn Driving Directions
Step-by-step road directions between Markham and Harrisburg.
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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
2.3 mi · 3 min
-
5
Take the exit slight left toward I 57 South: Memphis
1640 ft · 32 sec
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6
Merge slight right
187.1 mi · 3 hr 22 min
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7
Keep slight left to continue on I 57 South: Memphis
65.7 mi · 1 hr 11 min
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8
Keep slight right to continue on Ken Gray Expressway
20 mi · 22 min · Ken Gray Expressway
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9
Take the exit slight right toward IL 14: Christopher, Benton
1972 ft · 50 sec
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10
Turn left onto West Main Street
1.4 km · 1 min · West Main Street
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11
Enter the roundabout and take exit 2 toward Public Square
115 m · 8 sec · East Main Street
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12
Exit the rotary onto East Main Street
32 mi · 49 min · East Main Street
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13
Turn right onto West Poplar Street
27 m · 2 sec · West Poplar Street
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14
Arrive at your destination
0 m · 1 sec · West Poplar Street
Car Route Details
A richer read on the saved driving route between Markham and Harrisburg.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
I 57 South
Merge slight right
187 mi · 03h 22m
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 Clear near Harrisburg.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Markham to Harrisburg?
The road trip is about 309.7 miles (498.4 km) and usually takes 05h 51m 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?
Humboldt is a useful midpoint, sitting about 155 miles from Markham and 154.8 miles from Harrisburg.
How much longer is the road route than the straight-line distance?
The direct path is about 270.2 miles (434.8 km), while the road route adds roughly 39.5 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 5:18 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $41.22 one way or $82.43 round trip. Estimated CO2 is about 97.1 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Markham and Clear near Harrisburg.
Stop Ideas Near Humboldt
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 Humboldt.
Mattoon station
Effingham
Illinois Terminal
Rantoul
Flight Path Map
This map shows the direct air route between Markham and Harrisburg. Straight-line distance: 270.14 mi (434.75 km).
#1 Markham
A city located in Cook County, Illinois.
| Population | 13,400 |
| Coordinates | 41.5936500, -87.6947700 |
| Altitude | 189 |
| Country | United States |
#2 Harrisburg
County seat of Saline County, Illinois, United States
| Population | 8,404 |
| Coordinates | 37.7383800, -88.5406100 |
| Altitude | 121 |
| Country | United States |
End: Harrisburg (-88.54061, 37.73838)
Estimated Travel Time
Distance: 498 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 10h 19m |
| 40 mph (64.37 km/h) | 07h 44m |
| 50 mph (80.47 km/h) | 06h 11m |
| 60 mph (96.56 km/h) | 05h 09m |
| 70 mph (112.65 km/h) | 04h 25m |
| 80 mph (129 km/h) | 03h 51m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $41.22 | $82.43 |
| Mid-grade | $4.25 | $46.49 | $92.97 |
| Premium | $4.65 | $50.87 | $101.74 |
| Diesel | $5.30 | $57.97 | $115.95 |
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 · Jul 22, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.