How far is Posen, IL from Markham, IL?
The driving distance from Posen, IL to Markham, IL is about 284.6 miles (458 km), with a travel time of about 04h 22m by car.
- The straight-line flight distance is about 246.3 miles (396.4 km).
- For a round trip, plan for roughly 08h 45m 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 04h 22m.
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.
Showers And Thunderstorms Likely
Rain
Driving Route Map
The map below follows the saved road route between Posen and Markham.
Turn-by-Turn Driving Directions
Step-by-step road directions between Posen and Markham.
-
1
Start on Posen Road
2.9 mi · 11 min · Posen Road
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2
Turn right
9.7 mi · 11 min
-
3
Take the exit right
1855 ft · 45 sec
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4
Merge slight left
10.3 mi · 11 min
-
5
Take the exit slight right toward US 51: Centralia, Ashley
1557 ft · 39 sec
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6
Turn left onto United States Route 51
8.8 mi · 11 min · United States Route 51
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7
Continue on Elm Street
2.6 mi · 6 min · Elm Street
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8
Continue on South Broadway
1.4 km · 1 min · South Broadway
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9
Continue on County Road 180 East
4.3 mi · 6 min · County Road 180 East
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10
Continue on South Mine Street
3231 ft · 54 sec · South Mine Street
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11
Continue on N Mine St
990 ft · 13 sec · N Mine St
-
12
Continue on North Mine Street
106 m · 5 sec · North Mine Street
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13
Take the exit slight right
41 m · 4 sec
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14
Turn right
7.8 mi · 9 min
-
15
Turn left
2149 ft · 54 sec
-
16
Merge slight left
46.6 mi · 50 min
-
17
Keep slight left to continue on I 57 North: Chicago
181.3 mi · 3 hr 15 min
-
18
Take the exit slight right toward I 80 East: Indiana
2657 ft · 50 sec
-
19
Merge slight left
2.2 mi · 3 min
-
20
Take the exit slight right toward Kedzie Avenue
1232 ft · 33 sec
-
21
Turn left onto Kedzie Avenue
1.3 km · 2 min · Kedzie Avenue
-
22
Turn left onto 163rd Street
20 m · 3 sec · 163rd Street
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23
Arrive at your destination
0 m · 1 sec · 163rd Street
Car Route Details
A richer read on the saved driving route between Posen and Markham.
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 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.
Showers And Thunderstorms Likely leaving Posen and Rain near Markham.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Posen to Markham?
The road trip is about 284.6 miles (458 km) and usually takes 04h 22m 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?
Tuscola is a useful midpoint, sitting about 140.5 miles from Posen and 144.1 miles from Markham.
How much longer is the road route than the straight-line distance?
The direct path is about 246.3 miles (396.4 km), while the road route adds roughly 38.3 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 6:00 AM to 8:00 AM CDT. If you want a more comfortable same-day return, try to leave by 8:14 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $46.84 one way or $93.67 round trip. Estimated CO2 is about 89.2 kg one way.
What should you check before leaving?
Before you leave, expect Showers And Thunderstorms Likely around Posen and Rain near Markham.
Stop Ideas Near Tuscola
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 Tuscola.
Illinois Terminal
Mattoon station
Rantoul
Danville, Illinois
Flight Path Map
This map shows the direct air route between Posen and Markham. Straight-line distance: 246.29 mi (396.36 km).
#1 Posen
Village in United States of America
| Population | 5,794 |
| Coordinates | 38.2583800, -89.3356400 |
| Altitude | 149 |
| 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: 458 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 09h 28m |
| 40 mph (64.37 km/h) | 07h 06m |
| 50 mph (80.47 km/h) | 05h 41m |
| 60 mph (96.56 km/h) | 04h 44m |
| 70 mph (112.65 km/h) | 04h 03m |
| 80 mph (129 km/h) | 03h 33m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.67 | $46.84 | $93.67 |
| Mid-grade | $5.29 | $53.13 | $106.26 |
| Premium | $5.84 | $58.60 | $117.21 |
| Diesel | $6.57 | $65.97 | $131.95 |
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 · Oct 15, 2026