How far is Petersburg, IL from Rockford, IL?
The driving distance from Petersburg, IL to Rockford, IL is about 289.9 miles (466.6 km), with a travel time of about 04h 31m by car.
- The straight-line flight distance is about 257.9 miles (415 km).
- For a round trip, plan for roughly 09h 03m 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 31m.
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.
Township in McLean County, Illinois
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Petersburg and Rockford.
Turn-by-Turn Driving Directions
Step-by-step road directions between Petersburg and Rockford.
-
1
Start on West State Street
2143 ft · 1 min · West State Street
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2
Enter the roundabout and take exit 2 toward West State Street
22 m · 3 sec · West State Street
-
3
Exit the roundabout onto West State Street
998 ft · 28 sec · West State Street
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4
Turn right onto West Highway 50
2559 ft · 51 sec · West Highway 50
-
5
Take the ramp slight right
2098 ft · 51 sec
-
6
Merge slight left
1.8 mi · 2 min
-
7
Take the exit slight right toward IL 159: Belleville, Collinsville
1536 ft · 29 sec
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8
Keep slight right to continue on Collinsville
67 m · 5 sec
-
9
Turn straight onto North Illinois Street
3.8 mi · 6 min · North Illinois Street
-
10
Continue on South Morrison Avenue
1.3 mi · 2 min · South Morrison Avenue
-
11
Continue on Vandalia Street
2.8 mi · 5 min · Vandalia Street
-
12
Take the ramp slight right toward I 55 North, I 70 East
2235 ft · 55 sec
-
13
Merge slight left
3.8 mi · 4 min
-
14
Keep slight left to continue on I 55 North, I 270 West: Chicago, Springfield, Kansas City
107.9 mi · 1 hr 57 min
-
15
Keep slight right to continue on I 55 North: Chicago
29.4 mi · 31 min
-
16
Keep slight left to continue on I 55 North, I 74 West: Chicago, Peoria
7.6 mi · 8 min
-
17
Take the exit slight right toward I 39 North: Rockford
119.9 mi · 2 hr 9 min
-
18
Take the exit slight left toward US 20 West: Freeport, Rockford
1.1 mi · 2 min
-
19
Merge slight left onto U.S. Grant Memorial Highway
4.7 mi · 5 min · U.S. Grant Memorial Highway
-
20
Take the exit slight right toward IL 2: Rockford, Dixon
1810 ft · 44 sec
-
21
Keep slight right
86 m · 7 sec
-
22
Turn straight onto South Main Street
3.7 mi · 6 min · South Main Street
-
23
Turn right onto West State Street
45 m · 4 sec · West State Street
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24
Arrive at your destination
0 m · 1 sec · West State Street
Car Route Details
A richer read on the saved driving route between Petersburg and Rockford.
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 39 North
Take the exit slight right toward I 39 North: Rockford
120 mi · 02h 09m
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.
Sunny leaving Petersburg and Mostly Sunny near Rockford.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Petersburg to Rockford?
The road trip is about 289.9 miles (466.6 km) and usually takes 04h 31m 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?
Funks Grove is a useful midpoint, sitting about 145.2 miles from Petersburg and 144.8 miles from Rockford.
How much longer is the road route than the straight-line distance?
The direct path is about 257.9 miles (415 km), while the road route adds roughly 32 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 7:56 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $38.58 one way or $77.15 round trip. Estimated CO2 is about 90.9 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Petersburg and Mostly Sunny near Rockford.
Stop Ideas Near Funks Grove
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Route 66 Original Alignment- Driveable!
City of Bloomington, Illinois
Bloomington Finance Department
City Hall - Town of Normal
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Funks Grove.
Uptown Station
Lincoln
Peoria, Illinois
Pontiac station
Flight Path Map
This map shows the direct air route between Petersburg and Rockford. Straight-line distance: 257.88 mi (415.01 km).
#1 Petersburg
City in Menard County, Illinois
| Population | 2,207 |
| Coordinates | 38.5922700, -89.9212100 |
| Altitude | 167 |
| Country | United States |
#2 Rockford
The second most populous city in Illinois.
| Population | 144,835 |
| Coordinates | 42.2711300, -89.0940000 |
| Altitude | 218 |
| Country | United States |
End: West State Street (-89.094046, 42.271066)
Estimated Travel Time
Distance: 467 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 09h 39m |
| 40 mph (64.37 km/h) | 07h 14m |
| 50 mph (80.47 km/h) | 05h 47m |
| 60 mph (96.56 km/h) | 04h 49m |
| 70 mph (112.65 km/h) | 04h 08m |
| 80 mph (129 km/h) | 03h 37m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $38.58 | $77.15 |
| Mid-grade | $4.25 | $43.51 | $87.02 |
| Premium | $4.65 | $47.61 | $95.22 |
| Diesel | $5.30 | $54.26 | $108.52 |
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 · 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.