How far is Port Byron, IL from Bremen, IL?
The driving distance from Port Byron, IL to Bremen, IL is about 301.9 miles (485.9 km), with a travel time of about 04h 56m by car.
- The straight-line flight distance is about 253.1 miles (407.3 km).
- For a round trip, plan for roughly 09h 52m 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 04h 56m.
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.
Village in Illinois, USA
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Cloudy
Patchy Frost
Driving Route Map
The map below follows the saved road route between Port Byron and Bremen.
Turn-by-Turn Driving Directions
Step-by-step road directions between Port Byron and Bremen.
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1
Start on Cherry Street
25 m · 5 sec · Cherry Street
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2
Turn right onto South High Street
1.1 mi · 2 min · South High Street
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3
Continue on 2nd Avenue
2 mi · 4 min · 2nd Avenue
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4
Turn left
2485 ft · 1 min
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5
Merge slight left
9.5 mi · 10 min
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6
Keep slight left to continue on Chicago-Kansas City Expressway
72.3 mi · 1 hr 17 min · Chicago-Kansas City Expressway
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7
Take the exit slight right toward I 474 East: Indianapolis
1.6 km · 1 min
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8
Merge slight left
13.8 mi · 15 min
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9
Merge slight left
1.4 mi · 1 min
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10
Take the exit slight right toward I 155 South: Lincoln
1.2 km · 2 min
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11
Continue straight
31.8 mi · 34 min
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12
Merge slight left
34 mi · 37 min
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13
Keep slight left to continue on I 55 South: Saint Louis
77.9 mi · 1 hr 24 min
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14
Take the exit slight right toward IL 159 South: Collinsville
1434 ft · 48 sec
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15
Continue on Vandalia Street
3 mi · 5 min · Vandalia Street
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16
Continue on South Morrison Avenue
1.3 mi · 2 min · South Morrison Avenue
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17
Continue on North Illinois Street
9.8 mi · 15 min · North Illinois Street
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18
Enter the roundabout and take exit 2 toward Illinois Street
55 m · 5 sec · South Illinois Street
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19
Exit the rotary onto South Illinois Street
8.3 mi · 13 min · South Illinois Street
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20
Continue on State Route 159
6.1 mi · 9 min · State Route 159
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21
Continue on North Main Street
1163 ft · 20 sec · North Main Street
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22
Continue on N Main St
810 ft · 14 sec · N Main St
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23
Continue on Main Street
8 mi · 12 min · Main Street
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24
Continue straight
23.3 mi · 29 min
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25
Turn left onto State Street
6.1 mi · 11 min · State Street
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26
Turn slight left onto Chester Road
1255 ft · 34 sec · Chester Road
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27
Arrive at your destination
0 m · 1 sec · Chester Road
Car Route Details
A richer read on the saved driving route between Port Byron and Bremen.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
I 55 South
Keep slight left to continue on I 55 South: Saint Louis
77.9 mi · 01h 24m
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.
Mostly Cloudy leaving Port Byron and Patchy Frost near Bremen.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Port Byron to Bremen?
The road trip is about 301.9 miles (485.9 km) and usually takes 04h 56m 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?
Sherman is a useful midpoint, sitting about 156.5 miles from Port Byron and 145.4 miles from Bremen.
How much longer is the road route than the straight-line distance?
The direct path is about 253.1 miles (407.3 km), while the road route adds roughly 48.8 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 7:08 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $40.16 one way or $80.32 round trip. Estimated CO2 is about 94.6 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Cloudy around Port Byron and Patchy Frost near Bremen.
Stop Ideas Near Sherman
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 Sherman.
Springfield station
Lincoln
Carlinville
Uptown Station
Flight Path Map
This map shows the direct air route between Port Byron and Bremen. Straight-line distance: 253.1 mi (407.33 km).
#1 Port Byron
City in Illinois, United States of America
| Population | 1,597 |
| Coordinates | 41.6064200, -90.3354100 |
| Altitude | 184 |
| Country | United States |
#2 Bremen
A village in Ford County, Illinois.
| Population | 106,197 |
| Coordinates | 37.9711600, -89.7473300 |
| Altitude | 171 |
| Country | United States |
End: Chester Road (-89.747306, 37.97116)
Estimated Travel Time
Distance: 486 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 10h 03m |
| 40 mph (64.37 km/h) | 07h 32m |
| 50 mph (80.47 km/h) | 06h 02m |
| 60 mph (96.56 km/h) | 05h 01m |
| 70 mph (112.65 km/h) | 04h 18m |
| 80 mph (129 km/h) | 03h 45m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $40.16 | $80.32 |
| Mid-grade | $4.25 | $45.29 | $90.59 |
| Premium | $4.65 | $49.57 | $99.13 |
| Diesel | $5.30 | $56.49 | $112.98 |
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 03, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.