How far is Joliet, IL from Port Byron, IL?
The driving distance from Joliet, IL to Port Byron, IL is about 136.1 miles (219.1 km), with a travel time of about 02h 31m by car.
- The straight-line flight distance is about 116.6 miles (187.6 km).
- For a round trip, plan for roughly 05h 03m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM CDT.
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 02h 31m.
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.
Village in the United States
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 Joliet and Port Byron.
Turn-by-Turn Driving Directions
Step-by-step road directions between Joliet and Port Byron.
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1
Start on the route
34 m · 10 sec
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2
Turn right onto Ottawa Street
1397 ft · 44 sec · Ottawa Street
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3
Continue on Ottawa Street
758 ft · 22 sec · Ottawa Street
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4
Continue on Chicago Street
2079 ft · 1 min · Chicago Street
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5
Take the ramp slight right toward I 80 West: Moline, Rock Island
1707 ft · 42 sec
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6
Merge slight left
122 mi · 2 hr 12 min
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7
Keep slight right to continue on I 80 West: Davenport
9.6 mi · 11 min
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8
Take the exit slight right toward IL 84: East Moline, Savanna
2827 ft · 1 min
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9
Keep slight right
48 m · 4 sec
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10
Turn right
2.8 mi · 5 min
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11
Turn left onto Cherry Street
25 m · 4 sec · Cherry Street
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12
Arrive at your destination
0 m · 1 sec · Cherry Street
Car Route Details
A richer read on the saved driving route between Joliet and Port Byron.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
I 80 West
Merge slight left
122 mi · 02h 12m
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 Joliet and Mostly Sunny near Port Byron.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Joliet to Port Byron?
The road trip is about 136.1 miles (219.1 km) and usually takes 02h 31m 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?
Hollowayville is a useful midpoint, sitting about 68 miles from Joliet and 68.2 miles from Port Byron.
How much longer is the road route than the straight-line distance?
The direct path is about 116.6 miles (187.6 km), while the road route adds roughly 19.5 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 CDT. If you want a more comfortable same-day return, try to leave by 1:26 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $18.14 one way or $36.28 round trip. Estimated CO2 is about 42.7 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Joliet and Mostly Sunny near Port Byron.
Stop Ideas Near Hollowayville
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 Hollowayville.
Princeton
Mendota station
Kewanee
Plano
Flight Path Map
This map shows the direct air route between Joliet and Port Byron. Straight-line distance: 116.55 mi (187.57 km).
#1 Joliet
The second most populous city in Will County, Illinois.
| Population | 85,583 |
| Coordinates | 41.5251900, -88.0834000 |
| Altitude | 165 |
| Country | United States |
#2 Port Byron
City in Illinois, United States of America
| Population | 1,597 |
| Coordinates | 41.6064200, -90.3354100 |
| Altitude | 184 |
| Country | United States |
End: Port Byron (-90.33541, 41.60642)
Estimated Travel Time
Distance: 219 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 32m |
| 40 mph (64.37 km/h) | 03h 24m |
| 50 mph (80.47 km/h) | 02h 43m |
| 60 mph (96.56 km/h) | 02h 16m |
| 70 mph (112.65 km/h) | 01h 56m |
| 80 mph (129 km/h) | 01h 41m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $18.14 | $36.28 |
| Mid-grade | $4.25 | $20.46 | $40.91 |
| Premium | $4.65 | $22.39 | $44.77 |
| Diesel | $5.30 | $25.51 | $51.02 |
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 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.