How far is Unity, IL from Markham, IL?
The driving distance from Unity, IL to Markham, IL is about 346 miles (556.9 km), with a travel time of about 05h 24m by car.
- The straight-line flight distance is about 318.4 miles (512.4 km).
- For a round trip, plan for roughly 10h 49m 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 24m.
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.
City in Cumberland County, Illinois, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Areas Of Frost then Mostly Sunny
Driving Route Map
The map below follows the saved road route between Unity and Markham.
Turn-by-Turn Driving Directions
Step-by-step road directions between Unity and Markham.
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1
Start on the route
25 m · 6 sec
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2
Turn right
3.7 mi · 7 min
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3
Turn right onto Sandusky Road
2.6 mi · 6 min · Sandusky Road
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4
Continue on Lackey Road
1.4 km · 2 min · Lackey Road
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5
Turn left onto Chestnut Street
1.5 mi · 3 min · Chestnut Street
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6
Continue on Old US Highway 51
3.5 mi · 6 min · Old US Highway 51
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7
Turn right onto Shawnee College Road
1.6 mi · 3 min · Shawnee College Road
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8
Take the ramp left
1389 ft · 34 sec
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9
Merge slight left onto Ken Gray Expressway
77.9 mi · 1 hr 24 min · Ken Gray Expressway
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10
Keep slight right to continue on Ken Gray Expressway
67.5 mi · 1 hr 13 min · Ken Gray Expressway
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11
Keep slight left to continue on I 57 North: Chicago
181.3 mi · 3 hr 15 min
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12
Take the exit slight right toward I 80 East: Indiana
2657 ft · 50 sec
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13
Merge slight left
2.2 mi · 3 min
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14
Take the exit slight right toward Kedzie Avenue
1232 ft · 33 sec
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15
Turn left onto Kedzie Avenue
1.3 km · 2 min · Kedzie Avenue
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16
Turn left onto 163rd Street
20 m · 3 sec · 163rd Street
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17
Arrive at your destination
0 m · 1 sec · 163rd Street
Car Route Details
A richer read on the saved driving route between Unity and Markham.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
I 57 North
Keep slight left to continue on I 57 North: Chicago
181 mi · 03h 15m
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 Unity and Areas Of Frost then Mostly Sunny near Markham.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Unity to Markham?
The road trip is about 346 miles (556.9 km) and usually takes 05h 24m 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?
Neoga is a useful midpoint, sitting about 172.4 miles from Unity and 173.6 miles from Markham.
How much longer is the road route than the straight-line distance?
The direct path is about 318.4 miles (512.4 km), while the road route adds roughly 27.6 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 6:10 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $46.04 one way or $92.09 round trip. Estimated CO2 is about 108.5 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Unity and Areas Of Frost then Mostly Sunny near Markham.
Stop Ideas Near Neoga
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 Neoga.
Mattoon station
Effingham
Illinois Terminal
Centralia station
Flight Path Map
This map shows the direct air route between Unity and Markham. Straight-line distance: 318.38 mi (512.39 km).
#1 Unity
Unincorporated community in Illinois
| Population | 1,341 |
| Coordinates | 37.1497700, -89.2728600 |
| Altitude | 102 |
| Country | United States |
#2 Markham
A city located in Cook County, Illinois.
| Population | 13,400 |
| Coordinates | 41.5936500, -87.6947700 |
| Altitude | 189 |
| Country | United States |
End: 163rd Street (-87.694771, 41.593508)
Estimated Travel Time
Distance: 557 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 11h 31m |
| 40 mph (64.37 km/h) | 08h 39m |
| 50 mph (80.47 km/h) | 06h 55m |
| 60 mph (96.56 km/h) | 05h 46m |
| 70 mph (112.65 km/h) | 04h 56m |
| 80 mph (129 km/h) | 04h 19m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $46.04 | $92.09 |
| Mid-grade | $4.25 | $51.93 | $103.86 |
| Premium | $4.65 | $56.83 | $113.65 |
| Diesel | $5.30 | $64.76 | $129.52 |
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 · May 02, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.