How far is Bremen, IL from Port Byron, IL?
The driving distance from Bremen, IL to Port Byron, IL is about 312.3 miles (502.6 km), with a travel time of about 06h 04m by car.
- The straight-line flight distance is about 253.1 miles (407.3 km).
- For a round trip, plan for roughly 12h 09m 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 04m.
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.
Village in Illinois, USA
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Cloudy
Driving Route Map
The map below follows the saved road route between Bremen and Port Byron.
Turn-by-Turn Driving Directions
Step-by-step road directions between Bremen and Port Byron.
-
1
Start on Chester Road
1255 ft · 34 sec · Chester Road
-
2
Turn slight right
6.1 mi · 11 min
-
3
Turn right onto East Holmes Street
2470 ft · 32 sec · East Holmes Street
-
4
Continue on Lehmen Drive
7.8 mi · 9 min · Lehmen Drive
-
5
Continue on South State Street
17.7 mi · 23 min · South State Street
-
6
Continue straight
20.1 mi · 30 min
-
7
Enter the roundabout and take exit 2 toward Illinois Street
54 m · 4 sec · North Illinois Street
-
8
Exit the rotary onto North Illinois Street
9.8 mi · 15 min · North Illinois Street
-
9
Continue on South Morrison Avenue
1.3 mi · 2 min · South Morrison Avenue
-
10
Continue on Vandalia Street
2.8 mi · 5 min · Vandalia Street
-
11
Take the ramp slight right toward I 55 North, I 70 East
2235 ft · 55 sec
-
12
Merge slight left
3.8 mi · 4 min
-
13
Keep slight left to continue on I 55 North, I 270 West: Chicago, Springfield, Kansas City
107.9 mi · 1 hr 57 min
-
14
Keep slight left to continue on I 155 North: Peoria, Hartsburg
32 mi · 34 min
-
15
Keep slight left to continue on I 74 West: Peoria
1.5 km · 2 min
-
16
Merge slight left
1 mi · 1 min
-
17
Keep slight left to continue on I 474 West: Moline, Rock Island
14 mi · 15 min
-
18
Take the exit slight left toward I 74 West: Moline, Rock Island
1 mi · 1 min
-
19
Merge slight right
72.4 mi · 1 hr 18 min
-
20
Keep slight left to continue on Chicago-Kansas City Expressway
9.3 mi · 10 min · Chicago-Kansas City Expressway
-
21
Take the exit slight right toward IL 84: East Moline, Savanna
2827 ft · 1 min
-
22
Keep slight right
48 m · 4 sec
-
23
Turn right
2.8 mi · 5 min
-
24
Turn left onto Cherry Street
25 m · 4 sec · Cherry Street
-
25
Arrive at your destination
0 m · 1 sec · Cherry Street
Car Route Details
A richer read on the saved driving route between Bremen and Port Byron.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
I 55 North
Keep slight left to continue on I 55 North, I 270 West: Chicago, Springfield, Kansas City
108 mi · 01h 57m
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.
Patchy Frost leaving Bremen and Mostly Cloudy near Port Byron.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Bremen to Port Byron?
The road trip is about 312.3 miles (502.6 km) and usually takes 06h 04m 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?
Sherman is a useful midpoint, sitting about 156.2 miles from Bremen and 156.1 miles from Port Byron.
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 59.2 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 $41.56 one way or $83.11 round trip. Estimated CO2 is about 97.9 kg one way.
What should you check before leaving?
Before you leave, expect Patchy Frost around Bremen and Mostly Cloudy near Port Byron.
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 Bremen and Port Byron. Straight-line distance: 253.1 mi (407.33 km).
#1 Bremen
A village in Ford County, Illinois.
| Population | 106,197 |
| Coordinates | 37.9711600, -89.7473300 |
| Altitude | 171 |
| 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: 503 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 10h 24m |
| 40 mph (64.37 km/h) | 07h 48m |
| 50 mph (80.47 km/h) | 06h 14m |
| 60 mph (96.56 km/h) | 05h 12m |
| 70 mph (112.65 km/h) | 04h 27m |
| 80 mph (129 km/h) | 03h 53m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $41.56 | $83.11 |
| Mid-grade | $4.25 | $46.87 | $93.74 |
| Premium | $4.65 | $51.29 | $102.57 |
| Diesel | $5.30 | $58.45 | $116.90 |
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.