How far is Saint Jacob, IL from Rockford, IL?
The driving distance from Saint Jacob, IL to Rockford, IL is about 277.6 miles (446.7 km), with a travel time of about 04h 18m by car.
- The straight-line flight distance is about 248.3 miles (399.6 km).
- For a round trip, plan for roughly 08h 37m 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 18m.
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 Henry 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 Saint Jacob and Rockford.
Turn-by-Turn Driving Directions
Step-by-step road directions between Saint Jacob and Rockford.
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1
Start on South Douglas Street
2337 ft · 1 min · South Douglas Street
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2
Turn left onto US Highway 40
1.7 mi · 2 min · US Highway 40
-
3
Turn right
599 ft · 22 sec
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4
Continue straight
742 ft · 28 sec
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5
Turn right
14.5 mi · 22 min
-
6
Take the ramp right
1822 ft · 45 sec
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7
Merge slight left
93.2 mi · 1 hr 41 min
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8
Keep slight right to continue on I 55 North: Chicago
29.4 mi · 31 min
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9
Keep slight left to continue on I 55 North, I 74 West: Chicago, Peoria
7.6 mi · 8 min
-
10
Take the exit slight right toward I 39 North: Rockford
119.9 mi · 2 hr 9 min
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11
Take the exit slight left toward US 20 West: Freeport, Rockford
1.1 mi · 2 min
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12
Merge slight left onto U.S. Grant Memorial Highway
4.7 mi · 5 min · U.S. Grant Memorial Highway
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13
Take the exit slight right toward IL 2: Rockford, Dixon
1810 ft · 44 sec
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14
Keep slight right
86 m · 7 sec
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15
Turn straight onto South Main Street
3.7 mi · 6 min · South Main Street
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16
Turn right onto West State Street
45 m · 4 sec · West State Street
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17
Arrive at your destination
0 m · 1 sec · West State Street
Car Route Details
A richer read on the saved driving route between Saint Jacob 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 Saint Jacob 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 Saint Jacob to Rockford?
The road trip is about 277.6 miles (446.7 km) and usually takes 04h 18m 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?
Burns is a useful midpoint, sitting about 138.7 miles from Saint Jacob and 138.9 miles from Rockford.
How much longer is the road route than the straight-line distance?
The direct path is about 248.3 miles (399.6 km), while the road route adds roughly 29.3 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 8:22 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $36.96 one way or $73.91 round trip. Estimated CO2 is about 87.1 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Saint Jacob and Mostly Sunny near Rockford.
Stop Ideas Near Burns
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 Burns.
Uptown Station
Lincoln
Pontiac station
Peoria, Illinois
Flight Path Map
This map shows the direct air route between Saint Jacob and Rockford. Straight-line distance: 248.31 mi (399.62 km).
#1 Saint Jacob
Human settlement in Madison County, Illinois, United States of America
| Population | 1,408 |
| Coordinates | 38.7139400, -89.7681500 |
| Altitude | 157 |
| 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: 447 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 09h 14m |
| 40 mph (64.37 km/h) | 06h 56m |
| 50 mph (80.47 km/h) | 05h 33m |
| 60 mph (96.56 km/h) | 04h 37m |
| 70 mph (112.65 km/h) | 03h 57m |
| 80 mph (129 km/h) | 03h 27m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $36.96 | $73.91 |
| Mid-grade | $4.25 | $41.68 | $83.36 |
| Premium | $4.65 | $45.61 | $91.22 |
| Diesel | $5.30 | $51.98 | $103.96 |
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.