How far is Posen, IL from Radom, IL?
The driving distance from Posen, IL to Radom, IL is about 9.3 miles (15 km), with a travel time of about 00h 29m by car.
- The straight-line flight distance is about 8 miles (12.8 km).
- For a round trip, plan for roughly 00h 59m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM CDT.
Reverse, save, or send this route
This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.
This is an easy same-day return drive.
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 29m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
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.
Township in Washington County, Illinois
Route Weather Snapshot
Check the forecast at both ends before you head out.
Driving Route Map
The map below follows the saved road route between Posen and Radom.
Turn-by-Turn Driving Directions
Step-by-step road directions between Posen and Radom.
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1
Start on Posen Road
766 ft · 34 sec · Posen Road
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2
Continue on County Highway 17
1.2 km · 3 min · County Highway 17
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3
Continue on Posen Road
4.8 mi · 19 min · Posen Road
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4
At the end of the road, turn left
1.5 mi · 2 min
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5
Turn right onto County Highway 23
1.6 mi · 4 min · County Highway 23
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6
Continue on Main Street
2560 ft · 1 min · Main Street
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7
Arrive at your destination
0 m · 1 sec · Main Street
Car Route Details
A richer read on the saved driving route between Posen and Radom.
Turn-heavy local drive
The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.
Posen Road
Continue on Posen Road
4.83 mi · 00h 19m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A short regional drive
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
Sunny leaving Posen and Sunny near Radom.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Posen to Radom?
The road trip is about 9.3 miles (15 km) and usually takes 00h 29m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
What is the halfway point on this route?
Du Bois is a useful midpoint, sitting about 4.7 miles from Posen and 4.7 miles from Radom.
How much longer is the road route than the straight-line distance?
The direct path is about 8 miles (12.8 km), while the road route adds roughly 1.3 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 7:00 AM to 7:00 PM CDT. If you want a more comfortable same-day return, try to leave by 7:30 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $1.24 one way or $2.49 round trip. Estimated CO2 is about 2.9 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Posen and Sunny near Radom.
Stop Ideas Near Du Bois
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 Du Bois.
Du Quoin
Mt. Vernon, IL
Centralia station
Carbondale station
Flight Path Map
This map shows the direct air route between Posen and Radom. Straight-line distance: 7.95 mi (12.79 km).
#1 Posen
Village in United States of America
| Population | 5,794 |
| Coordinates | 38.2583800, -89.3356400 |
| Altitude | 149 |
| Country | United States |
#2 Radom
Human settlement in Illinois, United States of America
| Population | 209 |
| Coordinates | 38.2819900, -89.1923000 |
| Altitude | 162 |
| Country | United States |
End: Radom (-89.1923, 38.28199)
Estimated Travel Time
Distance: 15 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 18m |
| 40 mph (64.37 km/h) | 00h 13m |
| 50 mph (80.47 km/h) | 00h 11m |
| 60 mph (96.56 km/h) | 00h 09m |
| 70 mph (112.65 km/h) | 00h 07m |
| 80 mph (129 km/h) | 00h 06m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $1.24 | $2.49 |
| Mid-grade | $4.25 | $1.40 | $2.81 |
| Premium | $4.65 | $1.54 | $3.07 |
| Diesel | $5.30 | $1.75 | $3.50 |
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 19, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.