How far is Rockford, IL from Thomasboro, IL?
The driving distance from Rockford, IL to Thomasboro, IL is about 191.6 miles (308.4 km), with a travel time of about 03h 34m by car.
- The straight-line flight distance is about 147.9 miles (238.1 km).
- For a round trip, plan for roughly 07h 08m 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 34m.
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.
Slight Chance Rain Showers then Mostly Sunny
Driving Route Map
The map below follows the saved road route between Rockford and Thomasboro.
Turn-by-Turn Driving Directions
Step-by-step road directions between Rockford and Thomasboro.
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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
45.3 mi · 48 min
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11
Take the exit slight right toward I 57: Chicago, Memphis
1869 ft · 35 sec
-
12
Keep slight left to continue on I 57 North: Chicago
1.1 km · 1 min
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13
Merge slight left
2.4 mi · 3 min
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14
Take the exit slight right toward Market Street
1524 ft · 26 sec
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15
Keep slight right
38 m · 5 sec
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16
Turn straight onto Market Street
949 ft · 24 sec · Market Street
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17
Turn left onto East Leverett Road
3.5 mi · 6 min · East Leverett Road
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18
Turn left onto County Road 1500 East
3.6 mi · 5 min · County Road 1500 East
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19
Turn left onto West Clark Street
95 m · 11 sec · West Clark Street
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20
Arrive at your destination
0 m · 1 sec · West Clark Street
Car Route Details
A richer read on the saved driving route between Rockford and Thomasboro.
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 Slight Chance Rain Showers then Mostly Sunny near Thomasboro.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Rockford to Thomasboro?
The road trip is about 191.6 miles (308.4 km) and usually takes 03h 34m 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?
Rutland is a useful midpoint, sitting about 95.8 miles from Rockford and 95.8 miles from Thomasboro.
How much longer is the road route than the straight-line distance?
The direct path is about 147.9 miles (238.1 km), while the road route adds roughly 43.7 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 9:52 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $25.49 one way or $50.98 round trip. Estimated CO2 is about 60.1 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Rockford and Slight Chance Rain Showers then Mostly Sunny near Thomasboro.
Stop Ideas Near Rutland
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 Rutland.
Pontiac station
Dwight station
Uptown Station
Princeton
Flight Path Map
This map shows the direct air route between Rockford and Thomasboro. Straight-line distance: 147.97 mi (238.13 km).
#1 Rockford
The second most populous city in Illinois.
| Population | 144,835 |
| Coordinates | 42.2711300, -89.0940000 |
| Altitude | 218 |
| Country | United States |
#2 Thomasboro
City in Illinois, United States of America
| Population | 1,066 |
| Coordinates | 40.2417000, -88.1842100 |
| Altitude | 223 |
| Country | United States |
End: Thomasboro (-88.18421, 40.2417)
Estimated Travel Time
Distance: 308 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 06h 23m |
| 40 mph (64.37 km/h) | 04h 47m |
| 50 mph (80.47 km/h) | 03h 49m |
| 60 mph (96.56 km/h) | 03h 11m |
| 70 mph (112.65 km/h) | 02h 44m |
| 80 mph (129 km/h) | 02h 23m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $25.49 | $50.98 |
| Mid-grade | $4.25 | $28.75 | $57.50 |
| Premium | $4.65 | $31.46 | $62.92 |
| Diesel | $5.30 | $35.86 | $71.71 |
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.