How far is Byron, IL from Joliet, IL?
The driving distance from Byron, IL to Joliet, IL is about 101.2 miles (162.9 km), with a travel time of about 01h 47m by car.
- The straight-line flight distance is about 73.3 miles (117.9 km).
- For a round trip, plan for roughly 03h 34m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM CST.
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 47m.
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.
Township in DeKalb County, Illinois
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 Byron and Joliet.
Turn-by-Turn Driving Directions
Step-by-step road directions between Byron and Joliet.
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1
Start on the route
27 m · 12 sec
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2
Turn left
40 m · 15 sec
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3
At the end of the road, turn left onto North Union Street
2666 ft · 1 min · North Union Street
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4
Turn left
12.1 mi · 18 min
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5
Take the ramp left
1876 ft · 46 sec
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6
Merge slight left
13.6 mi · 15 min
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7
Take the exit slight right toward I 88 East Toll: Chicago
2318 ft · 1 min
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8
Merge slight left onto Ronald Reagan Memorial Tollway
38 mi · 41 min · Ronald Reagan Memorial Tollway
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9
Take the exit slight right toward IL 31 East, IL 56 East
2953 ft · 1 min
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10
Turn right onto South Lincolnway Street
1904 ft · 56 sec · South Lincolnway Street
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11
Turn left onto Sullivan Road
1956 ft · 56 sec · Sullivan Road
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12
Turn right
2.3 mi · 5 min
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13
Turn left onto East New York Street
1.1 mi · 2 min · East New York Street
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14
Turn slight right
53 m · 8 sec
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15
Turn slight right onto North Ohio Street
608 ft · 17 sec · North Ohio Street
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16
Turn left onto East Galena Boulevard
612 ft · 18 sec · East Galena Boulevard
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17
Continue on Hill Avenue
2.5 mi · 5 min · Hill Avenue
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18
Turn straight onto Lincoln Highway
7.4 mi · 11 min · Lincoln Highway
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19
Turn left onto 143rd Street
1.6 km · 2 min · 143rd Street
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20
Turn right onto North Division Street
1.2 mi · 3 min · North Division Street
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21
Turn left onto North Joliet Road
2.5 mi · 5 min · North Joliet Road
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22
Continue on Plainfield Road
5.2 mi · 11 min · Plainfield Road
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23
Continue on North Center Street
2358 ft · 1 min · North Center Street
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24
Turn left onto West Jefferson Street
1945 ft · 1 min · West Jefferson Street
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25
Turn left onto Joliet Street
53 m · 7 sec · Joliet Street
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26
Turn right
83 m · 20 sec
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27
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Byron and Joliet.
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
38 mi · 00h 41m
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 Byron and Mostly Sunny near Joliet.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Byron to Joliet?
The road trip is about 101.2 miles (162.9 km) and usually takes 01h 47m 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?
Cortland is a useful midpoint, sitting about 45.3 miles from Byron and 55.9 miles from Joliet.
How much longer is the road route than the straight-line distance?
The direct path is about 73.3 miles (117.9 km), while the road route adds roughly 27.9 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 CST. If you want a more comfortable same-day return, try to leave by 2:56 PM CST.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $16.05 one way or $32.09 round trip. Estimated CO2 is about 31.7 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Byron and Mostly Sunny near Joliet.
Stop Ideas Near Cortland
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 Cortland.
Plano
Rockford, Illinois
Naperville
Mendota station
Flight Path Map
This map shows the direct air route between Byron and Joliet. Straight-line distance: 73.29 mi (117.95 km).
#1 Byron
City in Ogle County, Illinois, United States
| Population | 3,650 |
| Coordinates | 42.1269700, -89.2556600 |
| Altitude | 222 |
| Country | United States |
#2 Joliet
The second most populous city in Will County, Illinois.
| Population | 85,583 |
| Coordinates | 41.5251900, -88.0834000 |
| Altitude | 165 |
| Country | United States |
End: (-88.083409, 41.525419)
Estimated Travel Time
Distance: 163 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 22m |
| 40 mph (64.37 km/h) | 02h 31m |
| 50 mph (80.47 km/h) | 02h 01m |
| 60 mph (96.56 km/h) | 01h 41m |
| 70 mph (112.65 km/h) | 01h 26m |
| 80 mph (129 km/h) | 01h 15m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.50 | $16.05 | $32.09 |
| Mid-grade | $5.12 | $18.27 | $36.54 |
| Premium | $5.68 | $20.27 | $40.53 |
| Diesel | $6.52 | $23.28 | $46.56 |
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 · Nov 09, 2026