How far is Ottawa, IL from Bremen, IL?
The driving distance from Ottawa, IL to Bremen, IL is about 271.5 miles (436.9 km), with a travel time of about 04h 32m by car.
- The straight-line flight distance is about 238 miles (383.1 km).
- For a round trip, plan for roughly 09h 05m 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 32m.
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.
Township in Sangamon County, Illinois
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Sunny
Mostly Sunny then Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Ottawa and Bremen.
Turn-by-Turn Driving Directions
Step-by-step road directions between Ottawa and Bremen.
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1
Start on La Salle Street
50 m · 7 sec · La Salle Street
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2
Turn slight right onto Woodward Memorial Drive
1090 ft · 35 sec · Woodward Memorial Drive
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3
Turn left onto West Main Street
1 mi · 2 min · West Main Street
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4
At the end of the road, turn right onto Boyce Memorial Drive
3027 ft · 1 min · Boyce Memorial Drive
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5
At the end of the road, turn left
7.8 mi · 12 min
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6
At the end of the road, turn right
10 m · 2 sec
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7
Turn left
103 m · 7 sec
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8
Continue straight
4 mi · 6 min
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9
Take the ramp left toward US 6: LaSalle, Peru, Ottowa
1017 ft · 25 sec
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10
Merge slight left
55.8 mi · 1 hr
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11
Keep slight right to continue on I 55 South, US 51 South: Peoria, Champaign, Saint Louis, Decatur
7.6 mi · 8 min
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12
Keep slight right to continue on I 55 South: Saint Louis, Springfield
64.8 mi · 1 hr 10 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 Ottawa and Bremen.
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 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.
Partly Sunny leaving Ottawa and Mostly Sunny then Chance Showers And Thunderstorms near Bremen.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Ottawa to Bremen?
The road trip is about 271.5 miles (436.9 km) and usually takes 04h 32m 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?
Woodside is a useful midpoint, sitting about 143.5 miles from Ottawa and 128 miles from Bremen.
How much longer is the road route than the straight-line distance?
The direct path is about 238 miles (383.1 km), while the road route adds roughly 33.5 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 6:00 AM to 8:00 AM CDT. If you want a more comfortable same-day return, try to leave by 7:54 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $36.13 one way or $72.25 round trip. Estimated CO2 is about 85.1 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny around Ottawa and Mostly Sunny then Chance Showers And Thunderstorms near Bremen.
Stop Ideas Near Woodside
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 Woodside.
Springfield station
Carlinville
Lincoln
Alton
Flight Path Map
This map shows the direct air route between Ottawa and Bremen. Straight-line distance: 238.06 mi (383.12 km).
#1 Ottawa
City in Illinois, United States
| Population | 18,097 |
| Coordinates | 41.3455900, -88.8425800 |
| Altitude | 147 |
| 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: 437 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 09h 02m |
| 40 mph (64.37 km/h) | 06h 47m |
| 50 mph (80.47 km/h) | 05h 25m |
| 60 mph (96.56 km/h) | 04h 31m |
| 70 mph (112.65 km/h) | 03h 52m |
| 80 mph (129 km/h) | 03h 23m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $36.13 | $72.25 |
| Mid-grade | $4.25 | $40.74 | $81.49 |
| Premium | $4.65 | $44.59 | $89.17 |
| Diesel | $5.30 | $50.81 | $101.62 |
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 29, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.