How far is Aurora, IL from Port Byron, IL?
The driving distance from Aurora, IL to Port Byron, IL is about 125.6 miles (202.1 km), with a travel time of about 02h 21m by car.
- The straight-line flight distance is about 104.5 miles (168.2 km).
- For a round trip, plan for roughly 04h 42m 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 21m.
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 Lee County, Illinois
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Driving Route Map
The map below follows the saved road route between Aurora and Port Byron.
Turn-by-Turn Driving Directions
Step-by-step road directions between Aurora and Port Byron.
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1
Start on West Galena Boulevard
575 ft · 15 sec · West Galena Boulevard
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2
Turn left onto North Lake Street
2.2 mi · 4 min · North Lake Street
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3
Continue on South Lincolnway Street
1885 ft · 39 sec · South Lincolnway Street
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4
Take the ramp left toward I 88 West Toll, IL 56 West Toll: Chicago, Dekalb-Iowa
118 m · 10 sec
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5
Keep slight left to continue on I 88 West, IL 56 West: DeKalb-Iowa
3054 ft · 1 min
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6
Merge slight left onto Ronald Reagan Memorial Tollway
2.8 mi · 3 min · Ronald Reagan Memorial Tollway
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7
Keep slight left to continue on Ronald Reagan Memorial Tollway
69.5 mi · 1 hr 14 min · Ronald Reagan Memorial Tollway
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8
Continue on Ronald Reagan Memorial Highway
1.1 mi · 1 min · Ronald Reagan Memorial Highway
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9
Continue on Ronald Reagan Memorial Highway
37.8 mi · 40 min · Ronald Reagan Memorial Highway
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10
Continue on Chicago-Kansas City Expressway
4.6 mi · 5 min · Chicago-Kansas City Expressway
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11
Take the exit slight right toward I 80: Des Moines
1949 ft · 48 sec
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12
Keep slight right
1.1 km · 1 min
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13
Merge slight left
2.1 mi · 2 min
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14
Take the exit slight right toward IL 84: East Moline, Savanna
2827 ft · 1 min
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15
Keep slight right
48 m · 4 sec
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16
Turn right
2.8 mi · 5 min
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17
Turn left onto Cherry Street
25 m · 4 sec · Cherry Street
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18
Arrive at your destination
0 m · 1 sec · Cherry Street
Car Route Details
A richer read on the saved driving route between Aurora and Port Byron.
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
Keep slight left to continue on Ronald Reagan Memorial Tollway
69.5 mi · 01h 14m
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.
Sunny leaving Aurora and Sunny near Port Byron.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Aurora to Port Byron?
The road trip is about 125.6 miles (202.1 km) and usually takes 02h 21m 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?
Nachusa is a useful midpoint, sitting about 62.7 miles from Aurora and 62.9 miles from Port Byron.
How much longer is the road route than the straight-line distance?
The direct path is about 104.5 miles (168.2 km), while the road route adds roughly 21.1 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 8:00 AM to 10:00 AM CDT. If you want a more comfortable same-day return, try to leave by 1:48 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $16.71 one way or $33.41 round trip. Estimated CO2 is about 39.4 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Aurora and Sunny near Port Byron.
Stop Ideas Near Nachusa
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 Nachusa.
Mendota station
Princeton
Rockford, Illinois
Plano
Flight Path Map
This map shows the direct air route between Aurora and Port Byron. Straight-line distance: 104.53 mi (168.23 km).
#1 Aurora
The second most populous city in Illinois.
| Population | 196,383 |
| Coordinates | 41.7605800, -88.3200700 |
| Altitude | 207 |
| 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: 202 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 11m |
| 40 mph (64.37 km/h) | 03h 08m |
| 50 mph (80.47 km/h) | 02h 30m |
| 60 mph (96.56 km/h) | 02h 05m |
| 70 mph (112.65 km/h) | 01h 47m |
| 80 mph (129 km/h) | 01h 34m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $16.71 | $33.41 |
| Mid-grade | $4.25 | $18.84 | $37.68 |
| Premium | $4.65 | $20.62 | $41.23 |
| Diesel | $5.30 | $23.50 | $46.99 |
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.