How far is Rockford, IL from Colfax, IL?
The driving distance from Rockford, IL to Colfax, IL is about 147.7 miles (237.7 km), with a travel time of about 03h 01m by car.
- The straight-line flight distance is about 120.3 miles (193.6 km).
- For a round trip, plan for roughly 06h 03m 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 01m.
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 LaSalle Co.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Rain Showers
Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Rockford and Colfax.
Turn-by-Turn Driving Directions
Step-by-step road directions between Rockford and Colfax.
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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
110.7 mi · 1 hr 59 min
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9
Take the exit slight right toward CR 8, IL 251: Kappa
1813 ft · 53 sec
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10
Turn left onto East 2500 North Road
3.7 mi · 5 min · East 2500 North Road
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11
Turn left onto North 1750 East Road
1.5 km · 2 min · North 1750 East Road
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12
Continue on P J Keller Highway
7.8 mi · 11 min · P J Keller Highway
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13
At the end of the road, turn right onto North Spencer Street
550 ft · 16 sec · North Spencer Street
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14
Continue on West Main Street
2018 ft · 1 min · West Main Street
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15
Turn right onto South West Street
652 ft · 22 sec · South West Street
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16
Turn left onto West South Street
1.1 km · 2 min · West South Street
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17
Continue on East 2450 North Road
8.4 mi · 16 min · East 2450 North Road
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18
Turn right onto North 3400 East Road
4.5 mi · 8 min · North 3400 East Road
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19
Continue on North Harrison Street
2290 ft · 1 min · North Harrison Street
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20
Turn right onto East Main Street
999 ft · 44 sec · East Main Street
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21
Arrive at your destination
0 m · 1 sec · West Main Street
Car Route Details
A richer read on the saved driving route between Rockford and Colfax.
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
111 mi · 01h 59m
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.
Chance Rain Showers leaving Rockford and Showers And Thunderstorms near Colfax.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Rockford to Colfax?
The road trip is about 147.7 miles (237.7 km) and usually takes 03h 01m 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?
Oglesby is a useful midpoint, sitting about 73.9 miles from Rockford and 73.8 miles from Colfax.
How much longer is the road route than the straight-line distance?
The direct path is about 120.3 miles (193.6 km), while the road route adds roughly 27.4 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 10:56 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $19.65 one way or $39.29 round trip. Estimated CO2 is about 46.3 kg one way.
What should you check before leaving?
Before you leave, expect Chance Rain Showers around Rockford and Showers And Thunderstorms near Colfax.
Stop Ideas Near Oglesby
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 Oglesby.
Mendota station
Princeton
Dwight station
Pontiac station
Flight Path Map
This map shows the direct air route between Rockford and Colfax. Straight-line distance: 120.32 mi (193.63 km).
#1 Rockford
The second most populous city in Illinois.
| Population | 144,835 |
| Coordinates | 42.2711300, -89.0940000 |
| Altitude | 218 |
| Country | United States |
#2 Colfax
Village in McLean County, Illinois, United States
| Population | 1,009 |
| Coordinates | 40.5669800, -88.6164500 |
| Altitude | 230 |
| Country | United States |
End: Colfax (-88.61645, 40.56698)
Estimated Travel Time
Distance: 238 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 55m |
| 40 mph (64.37 km/h) | 03h 41m |
| 50 mph (80.47 km/h) | 02h 57m |
| 60 mph (96.56 km/h) | 02h 27m |
| 70 mph (112.65 km/h) | 02h 06m |
| 80 mph (129 km/h) | 01h 50m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $19.65 | $39.29 |
| Mid-grade | $4.25 | $22.16 | $44.32 |
| Premium | $4.65 | $24.25 | $48.49 |
| Diesel | $5.30 | $27.63 | $55.27 |
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 · May 05, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.