How far is Rockford, IL from Fairfield, IL?
The driving distance from Rockford, IL to Fairfield, IL is about 317.8 miles (511.5 km), with a travel time of about 06h 10m by car.
- The straight-line flight distance is about 271.7 miles (437.2 km).
- For a round trip, plan for roughly 12h 21m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 7:30 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 06h 10m.
Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
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 De Witt County, Illinois, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Slight Chance Rain Showers then Sunny
Driving Route Map
The map below follows the saved road route between Rockford and Fairfield.
Turn-by-Turn Driving Directions
Step-by-step road directions between Rockford and Fairfield.
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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
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12
Keep slight right to continue on I 57 South: Memphis
2939 ft · 50 sec
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13
Merge slight left
74.2 mi · 1 hr 20 min
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14
Take the exit slight right toward US 45: Sigel, Effingham
1753 ft · 35 sec
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15
Turn left
1.9 mi · 3 min
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16
Turn right onto East Fayette Avenue
1123 ft · 33 sec · East Fayette Avenue
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17
Turn left onto South Banker Street
14.9 mi · 22 min · South Banker Street
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18
Continue on County Road 925 East
16.2 mi · 24 min · County Road 925 East
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19
Turn slight left
41 m · 5 sec
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20
Merge slight right
3.9 mi · 4 min
-
21
Turn right onto County Road 1400 E
10.4 mi · 16 min · County Road 1400 E
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22
Continue on Central Street
1.5 km · 1 min · Central Street
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23
Continue on County Road 1800N
1.4 mi · 2 min · County Road 1800N
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24
Turn straight onto County Road 1600E
4.6 mi · 7 min · County Road 1600E
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25
Continue on Washington Street
1 mi · 2 min · Washington Street
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26
Continue on County Road 1600E
6.4 mi · 10 min · County Road 1600E
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27
Turn left onto South 1st Street
18 m · 1 sec · South 1st Street
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28
Arrive at your destination
0 m · 1 sec · South 1st Street
Car Route Details
A richer read on the saved driving route between Rockford and Fairfield.
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.
Better with a longer stop
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
Mostly Sunny leaving Rockford and Slight Chance Rain Showers then Sunny near Fairfield.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Rockford to Fairfield?
The road trip is about 317.8 miles (511.5 km) and usually takes 06h 10m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
What is the halfway point on this route?
Farmer City is a useful midpoint, sitting about 159 miles from Rockford and 158.8 miles from Fairfield.
How much longer is the road route than the straight-line distance?
The direct path is about 271.7 miles (437.2 km), while the road route adds roughly 46.1 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 7:30 AM CDT. Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $42.31 one way or $84.62 round trip. Estimated CO2 is about 99.7 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Rockford and Slight Chance Rain Showers then Sunny near Fairfield.
Stop Ideas Near Farmer City
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 Farmer City.
Illinois Terminal
Uptown Station
Rantoul
Lincoln
Flight Path Map
This map shows the direct air route between Rockford and Fairfield. Straight-line distance: 271.69 mi (437.24 km).
#1 Rockford
The second most populous city in Illinois.
| Population | 144,835 |
| Coordinates | 42.2711300, -89.0940000 |
| Altitude | 218 |
| Country | United States |
#2 Fairfield
City in Illinois, United States
| Population | 4,889 |
| Coordinates | 38.3789400, -88.3597700 |
| Altitude | 134 |
| Country | United States |
End: Fairfield (-88.35977, 38.37894)
Estimated Travel Time
Distance: 512 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 10h 35m |
| 40 mph (64.37 km/h) | 07h 56m |
| 50 mph (80.47 km/h) | 06h 21m |
| 60 mph (96.56 km/h) | 05h 17m |
| 70 mph (112.65 km/h) | 04h 32m |
| 80 mph (129 km/h) | 03h 57m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $42.31 | $84.62 |
| Mid-grade | $4.25 | $47.72 | $95.44 |
| Premium | $4.65 | $52.22 | $104.44 |
| Diesel | $5.30 | $59.51 | $119.02 |
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.