How far is Rockford, IL from Prophetstown, IL?
The driving distance from Rockford, IL to Prophetstown, IL is about 86.1 miles (138.6 km), with a travel time of about 01h 42m by car.
- The straight-line flight distance is about 59.9 miles (96.4 km).
- For a round trip, plan for roughly 03h 25m 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 42m.
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.
Village in Lee County, Illinois, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Rockford and Prophetstown.
Turn-by-Turn Driving Directions
Step-by-step road directions between Rockford and Prophetstown.
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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
21 mi · 23 min
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9
Take the exit slight right toward I 88 West Toll: Moline, Rock Island
2931 ft · 50 sec
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10
Merge slight left onto Ronald Reagan Memorial Tollway
33.8 mi · 36 min · Ronald Reagan Memorial Tollway
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11
Continue on Ronald Reagan Memorial Highway
1.1 mi · 1 min · Ronald Reagan Memorial Highway
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12
Continue on Ronald Reagan Memorial Highway
6.7 mi · 7 min · Ronald Reagan Memorial Highway
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13
Take the exit slight right toward US 30: Clinton, Rock Falls, Sterling
1 mi · 1 min
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14
Turn left
40 m · 7 sec
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15
Continue on Moline Road
8.1 mi · 12 min · Moline Road
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16
Continue on East Commercial Street
1.4 mi · 2 min · East Commercial Street
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17
Turn left onto Bishop Road
2.6 mi · 4 min · Bishop Road
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18
Continue on Johnson Drive
1051 ft · 21 sec · Johnson Drive
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19
Continue on West 2nd Street
1036 ft · 23 sec · West 2nd Street
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20
Turn right onto Washington Street
89 m · 6 sec · Washington Street
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21
Arrive at your destination
0 m · 1 sec · Washington Street
Car Route Details
A richer read on the saved driving route between Rockford and Prophetstown.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
Ronald Reagan Memorial Tollway
Merge slight left onto Ronald Reagan Memorial Tollway
33.8 mi · 00h 36m
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.
Mostly Sunny leaving Rockford and Mostly Sunny near Prophetstown.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Rockford to Prophetstown?
The road trip is about 86.1 miles (138.6 km) and usually takes 01h 42m 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?
Ashton is a useful midpoint, sitting about 43 miles from Rockford and 43.1 miles from Prophetstown.
How much longer is the road route than the straight-line distance?
The direct path is about 59.9 miles (96.4 km), while the road route adds roughly 26.2 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 3:04 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $11.46 one way or $22.93 round trip. Estimated CO2 is about 27 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Rockford and Mostly Sunny near Prophetstown.
Stop Ideas Near Ashton
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 Ashton.
Mendota station
Rockford, Illinois
Princeton
Plano
Flight Path Map
This map shows the direct air route between Rockford and Prophetstown. Straight-line distance: 59.91 mi (96.41 km).
#1 Rockford
The second most populous city in Illinois.
| Population | 144,835 |
| Coordinates | 42.2711300, -89.0940000 |
| Altitude | 218 |
| Country | United States |
#2 Prophetstown
City in Whiteside County, Illinois, United States
| Population | 1,919 |
| Coordinates | 41.6714200, -89.9362200 |
| Altitude | 189 |
| Country | United States |
End: Prophetstown (-89.93622, 41.67142)
Estimated Travel Time
Distance: 139 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 52m |
| 40 mph (64.37 km/h) | 02h 09m |
| 50 mph (80.47 km/h) | 01h 43m |
| 60 mph (96.56 km/h) | 01h 26m |
| 70 mph (112.65 km/h) | 01h 13m |
| 80 mph (129 km/h) | 01h 04m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $11.46 | $22.93 |
| Mid-grade | $4.25 | $12.93 | $25.86 |
| Premium | $4.65 | $14.15 | $28.30 |
| Diesel | $5.30 | $16.12 | $32.25 |
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 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.