How far is Irvington, IL from Posen, IL?
The driving distance from Irvington, IL to Posen, IL is about 23.3 miles (37.5 km), with a travel time of about 00h 32m by car.
- The straight-line flight distance is about 15.6 miles (25.1 km).
- For a round trip, plan for roughly 01h 05m 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 32m.
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.
Human settlement in Illinois, United States of America
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 Irvington and Posen.
Turn-by-Turn Driving Directions
Step-by-step road directions between Irvington and Posen.
-
1
Start on the route
110 m · 9 sec
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2
Turn right onto South 2nd Street
1.1 mi · 3 min · South 2nd Street
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3
Turn right onto United States Route 51
2.4 mi · 3 min · United States Route 51
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4
Take the ramp right toward Saint Louis
1415 ft · 35 sec
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5
Merge slight left
10.4 mi · 11 min
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6
Take the exit slight right toward IL 127
2109 ft · 51 sec
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7
Turn straight
10 mi · 12 min
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8
Turn left onto Posen Road
2.9 mi · 11 min · Posen Road
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9
Arrive at your destination
0 m · 1 sec · Posen Road
Car Route Details
A richer read on the saved driving route between Irvington and Posen.
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.
Saint Louis
Merge slight left
10.4 mi · 00h 11m
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 Irvington and Sunny near Posen.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Irvington to Posen?
The road trip is about 23.3 miles (37.5 km) and usually takes 00h 32m 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?
New Minden is a useful midpoint, sitting about 13.8 miles from Irvington and 9.5 miles from Posen.
How much longer is the road route than the straight-line distance?
The direct path is about 15.6 miles (25.1 km), while the road route adds roughly 7.7 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 7:24 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $3.09 one way or $6.18 round trip. Estimated CO2 is about 7.3 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Irvington and Sunny near Posen.
Stop Ideas Near New Minden
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 New Minden.
Centralia station
Mt. Vernon, IL
Du Quoin
Gateway Transportation Center
Flight Path Map
This map shows the direct air route between Irvington and Posen. Straight-line distance: 15.62 mi (25.13 km).
#1 Irvington
Township in Washington County, Illinois
| Population | 609 |
| Coordinates | 38.4392200, -89.1628500 |
| Altitude | 162 |
| Country | United States |
#2 Posen
Village in United States of America
| Population | 5,794 |
| Coordinates | 38.2583800, -89.3356400 |
| Altitude | 149 |
| Country | United States |
End: Posen Road (-89.335635, 38.258101)
Estimated Travel Time
Distance: 38 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 46m |
| 40 mph (64.37 km/h) | 00h 34m |
| 50 mph (80.47 km/h) | 00h 27m |
| 60 mph (96.56 km/h) | 00h 23m |
| 70 mph (112.65 km/h) | 00h 19m |
| 80 mph (129 km/h) | 00h 17m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $3.09 | $6.18 |
| Mid-grade | $4.25 | $3.49 | $6.97 |
| Premium | $4.65 | $3.82 | $7.63 |
| Diesel | $5.30 | $4.35 | $8.70 |
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.