How far is Rockford, IL from Millstadt, IL?
The driving distance from Rockford, IL to Millstadt, IL is about 301.2 miles (484.8 km), with a travel time of about 05h 37m by car.
- The straight-line flight distance is about 268.4 miles (432 km).
- For a round trip, plan for roughly 11h 15m 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 05h 37m.
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.
City in Logan County, Illinois, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Driving Route Map
The map below follows the saved road route between Rockford and Millstadt.
Turn-by-Turn Driving Directions
Step-by-step road directions between Rockford and Millstadt.
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1
Start on West State Street
546 ft · 23 sec · West State Street
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2
Turn left onto South Church Street
1519 ft · 37 sec · South Church Street
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3
Turn left onto Cedar Street
84 m · 5 sec · Cedar Street
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4
Turn right onto South Main Street
3.6 mi · 6 min · South Main Street
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5
Take the ramp left
1707 ft · 44 sec
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6
Merge slight left onto U.S. Grant Memorial Highway
4.3 mi · 5 min · U.S. Grant Memorial Highway
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7
Take the exit slight right
1.2 km · 2 min
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8
Merge slight right
118.2 mi · 2 hr 7 min
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9
Keep slight right to continue on I 55 South, US 51 South: Peoria, Champaign, Saint Louis, Decatur
7.6 mi · 8 min
-
10
Keep slight right to continue on I 55 South: Saint Louis, Springfield
64.8 mi · 1 hr 10 min
-
11
Keep slight left to continue on I 55 South: Saint Louis
82 mi · 1 hr 29 min
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12
Take the exit slight right toward I 255: Memphis, Interstate 270
1386 ft · 34 sec
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13
Keep slight left to continue on I 255 South: Memphis
1.1 mi · 2 min
-
14
Merge slight left
7.4 mi · 9 min
-
15
Take the exit slight right toward IL 15 East: Belleville
1767 ft · 43 sec
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16
Continue on New Missouri Avenue
1.2 mi · 1 min · New Missouri Avenue
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17
Take the exit slight right toward IL 157: Cahokia
984 ft · 27 sec
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18
Keep slight right to continue on South 88th Street
1.1 km · 1 min · South 88th Street
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19
Enter the roundabout and take exit 1 toward Old Saint Louis Road
10 m · 1 sec
-
20
Exit the rotary
1945 ft · 46 sec
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21
Turn left onto Old Missouri Avenue
2309 ft · 44 sec · Old Missouri Avenue
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22
Continue on Camp Jackson Road
152 m · 14 sec · Camp Jackson Road
-
23
Turn left onto Millstadt Road
7 mi · 12 min · Millstadt Road
-
24
Turn right onto West Washington Street
10 m · 1 sec · West Washington Street
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25
Arrive at your destination
0 m · 1 sec · West Washington Street
Car Route Details
A richer read on the saved driving route between Rockford and Millstadt.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
U.S. Grant Memorial Highway
Merge slight right
118 mi · 02h 07m
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.
Mostly Sunny leaving Rockford and Sunny near Millstadt.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Rockford to Millstadt?
The road trip is about 301.2 miles (484.8 km) and usually takes 05h 37m 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?
Atlanta is a useful midpoint, sitting about 150.7 miles from Rockford and 150.5 miles from Millstadt.
How much longer is the road route than the straight-line distance?
The direct path is about 268.4 miles (432 km), while the road route adds roughly 32.8 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 5:44 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $40.09 one way or $80.17 round trip. Estimated CO2 is about 94.5 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Rockford and Sunny near Millstadt.
Stop Ideas Near Atlanta
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Route 66 Original Alignment- Driveable!
City of Lincoln
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Atlanta.
Lincoln
Uptown Station
Peoria, Illinois
Springfield station
Flight Path Map
This map shows the direct air route between Rockford and Millstadt. Straight-line distance: 268.41 mi (431.96 km).
#1 Rockford
The second most populous city in Illinois.
| Population | 144,835 |
| Coordinates | 42.2711300, -89.0940000 |
| Altitude | 218 |
| Country | United States |
#2 Millstadt
Village in St.
| Population | 3,821 |
| Coordinates | 38.4614400, -90.0917800 |
| Altitude | 188 |
| Country | United States |
End: Millstadt (-90.09178, 38.46144)
Estimated Travel Time
Distance: 485 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 10h 02m |
| 40 mph (64.37 km/h) | 07h 31m |
| 50 mph (80.47 km/h) | 06h 01m |
| 60 mph (96.56 km/h) | 05h 01m |
| 70 mph (112.65 km/h) | 04h 18m |
| 80 mph (129 km/h) | 03h 45m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $40.09 | $80.17 |
| Mid-grade | $4.25 | $45.21 | $90.42 |
| Premium | $4.65 | $49.47 | $98.94 |
| Diesel | $5.30 | $56.38 | $112.76 |
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.