How far is Springfield, IL from Petersburg, IL?
The driving distance from Springfield, IL to Petersburg, IL is about 94.4 miles (151.9 km), with a travel time of about 01h 54m by car.
- The straight-line flight distance is about 84.9 miles (136.6 km).
- For a round trip, plan for roughly 03h 48m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM CDT.
Reverse, save, or send this route
This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.
This route works well as a day trip with time at the destination.
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 01h 54m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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 Macoupin County, Illinois, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Patchy Frost then Sunny
Sunny
Driving Route Map
The map below follows the saved road route between Springfield and Petersburg.
Turn-by-Turn Driving Directions
Step-by-step road directions between Springfield and Petersburg.
-
1
Start on East Washington Street
816 ft · 27 sec · East Washington Street
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2
Turn right onto South 11th Street
3 mi · 7 min · South 11th Street
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3
Turn slight right
125 m · 20 sec
-
4
Turn straight onto East Stevenson Drive
1981 ft · 48 sec · East Stevenson Drive
-
5
Turn slight left
1.2 km · 1 min
-
6
Take the ramp straight
108 m · 7 sec
-
7
Keep slight left
1255 ft · 24 sec
-
8
Keep slight left to continue on I 55 South: Saint Louis
77.5 mi · 1 hr 24 min
-
9
Take the exit slight right toward IL 159 South: Collinsville
1434 ft · 48 sec
-
10
Continue on Vandalia Street
3 mi · 5 min · Vandalia Street
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11
Continue on South Morrison Avenue
1.3 mi · 2 min · South Morrison Avenue
-
12
Continue on North Illinois Street
3.9 mi · 6 min · North Illinois Street
-
13
Take the ramp slight right toward I 64, US 50 East: Mount Vernon
1572 ft · 38 sec
-
14
Merge slight left
1.7 mi · 2 min
-
15
Take the exit slight right toward O'Fallon
1833 ft · 45 sec
-
16
Keep slight left to continue on O'Fallon, Hartman Lane
66 m · 5 sec
-
17
Keep slight left to continue on O'Fallon
81 m · 9 sec
-
18
Turn left onto West Highway 50
1.2 km · 1 min · West Highway 50
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19
Turn left onto West State Street
1043 ft · 29 sec · West State Street
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20
Enter the roundabout and take exit 2 toward W State Street
21 m · 3 sec · W State Street
-
21
Exit the roundabout onto W State Street
2142 ft · 1 min · W State Street
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22
Arrive at your destination
0 m · 1 sec · West State Street
Car Route Details
A richer read on the saved driving route between Springfield and Petersburg.
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 55 South
Keep slight left to continue on I 55 South: Saint Louis
77.5 mi · 01h 24m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A comfortable day-trip route
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
Patchy Frost then Sunny leaving Springfield and Sunny near Petersburg.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Springfield to Petersburg?
The road trip is about 94.4 miles (151.9 km) and usually takes 01h 54m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
What is the halfway point on this route?
Lake Ka-Ho is a useful midpoint, sitting about 47.2 miles from Springfield and 47.2 miles from Petersburg.
How much longer is the road route than the straight-line distance?
The direct path is about 84.9 miles (136.6 km), while the road route adds roughly 9.5 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 8:00 AM to 10:00 AM CDT. If you want a more comfortable same-day return, try to leave by 2:42 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $12.56 one way or $25.11 round trip. Estimated CO2 is about 29.6 kg one way.
What should you check before leaving?
Before you leave, expect Patchy Frost then Sunny around Springfield and Sunny near Petersburg.
Stop Ideas Near Lake Ka-Ho
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 Lake Ka-Ho.
Carlinville
Alton
Gateway Transportation Center
Springfield station
Flight Path Map
This map shows the direct air route between Springfield and Petersburg. Straight-line distance: 84.87 mi (136.59 km).
#1 Springfield
The capital of Illinois and the county seat of Sangamon County.
| Population | 113,671 |
| Coordinates | 39.8017200, -89.6437100 |
| Altitude | 182 |
| Country | United States |
#2 Petersburg
City in Menard County, Illinois
| Population | 2,207 |
| Coordinates | 38.5922700, -89.9212100 |
| Altitude | 167 |
| Country | United States |
End: Petersburg (-89.92121, 38.59227)
Estimated Travel Time
Distance: 152 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 08m |
| 40 mph (64.37 km/h) | 02h 21m |
| 50 mph (80.47 km/h) | 01h 53m |
| 60 mph (96.56 km/h) | 01h 34m |
| 70 mph (112.65 km/h) | 01h 20m |
| 80 mph (129 km/h) | 01h 10m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $12.56 | $25.11 |
| Mid-grade | $4.25 | $14.16 | $28.32 |
| Premium | $4.65 | $15.50 | $31.00 |
| Diesel | $5.30 | $17.66 | $35.32 |
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.