How far is Rockford, IL from Forsyth, IL?
The driving distance from Rockford, IL to Forsyth, IL is about 173.9 miles (279.9 km), with a travel time of about 03h 17m by car.
- The straight-line flight distance is about 161.7 miles (260.3 km).
- For a round trip, plan for roughly 06h 35m 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 03h 17m.
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.
Human settlement in Illinois, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Showers And Thunderstorms then Mostly Sunny
Driving Route Map
The map below follows the saved road route between Rockford and Forsyth.
Turn-by-Turn Driving Directions
Step-by-step road directions between Rockford and Forsyth.
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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
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10
Keep slight left to continue on I 74 East, US 51 South, US 55 Business North: Indianapolis, Decatur
2.1 mi · 2 min
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11
Take the exit slight right toward US 51 South, US 51 Business North: Decatur, Bloomington
1616 ft · 40 sec
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12
Continue on North 1450 East Road
14.7 mi · 18 min · North 1450 East Road
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13
Continue on North Walnut Street
21.3 mi · 27 min · North Walnut Street
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14
Turn left onto East Shaffer Street
1333 ft · 25 sec · East Shaffer Street
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15
Turn right onto South Elwood Street
931 ft · 43 sec · South Elwood Street
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16
Turn right onto East Ruehl Street
25 m · 4 sec · East Ruehl Street
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17
Arrive at your destination
0 m · 1 sec · East Ruehl Street
Car Route Details
A richer read on the saved driving route between Rockford and Forsyth.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
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.
Sunny leaving Rockford and Chance Showers And Thunderstorms then Mostly Sunny near Forsyth.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Rockford to Forsyth?
The road trip is about 173.9 miles (279.9 km) and usually takes 03h 17m 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?
Lostant is a useful midpoint, sitting about 87.1 miles from Rockford and 86.9 miles from Forsyth.
How much longer is the road route than the straight-line distance?
The direct path is about 161.7 miles (260.3 km), while the road route adds roughly 12.2 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 6:00 AM to 8:00 AM CDT. If you want a more comfortable same-day return, try to leave by 10:24 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $23.15 one way or $46.31 round trip. Estimated CO2 is about 54.6 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Rockford and Chance Showers And Thunderstorms then Mostly Sunny near Forsyth.
Stop Ideas Near Lostant
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 Lostant.
Princeton
Mendota station
Pontiac station
Dwight station
Flight Path Map
This map shows the direct air route between Rockford and Forsyth. Straight-line distance: 161.75 mi (260.31 km).
#1 Rockford
The second most populous city in Illinois.
| Population | 144,835 |
| Coordinates | 42.2711300, -89.0940000 |
| Altitude | 218 |
| Country | United States |
#2 Forsyth
Human settlement in Illinois, United States of America
| Population | 3,465 |
| Coordinates | 39.9325400, -88.9511900 |
| Altitude | 207 |
| Country | United States |
End: Forsyth (-88.95119, 39.93254)
Estimated Travel Time
Distance: 280 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 47m |
| 40 mph (64.37 km/h) | 04h 20m |
| 50 mph (80.47 km/h) | 03h 28m |
| 60 mph (96.56 km/h) | 02h 53m |
| 70 mph (112.65 km/h) | 02h 29m |
| 80 mph (129 km/h) | 02h 10m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $23.15 | $46.31 |
| Mid-grade | $4.25 | $26.11 | $52.23 |
| Premium | $4.65 | $28.58 | $57.15 |
| Diesel | $5.30 | $32.57 | $65.13 |
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.