How far is Bremen, IL from Darien, IL?

The driving distance from Bremen, IL to Darien, IL is about 326.5 miles (525.5 km), with a travel time of about 06h 22m by car.

  • The straight-line flight distance is about 277.6 miles (446.8 km).
  • For a round trip, plan for roughly 12h 45m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 7:30 AM CDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
326.56 mi
06h 22m
Flight
277.63 mi
446.8 km direct

This drive is better planned with a longer stop or an overnight stay.

Learn Distance

Choose another destination from Bremen.

Flight Distance

Direct air line
277.63 mi
Kilometers
446.8 km
Flight Time
00h 33m

Driving Distance

Road route
326.56 mi
Kilometers
525.54 km
Drive Time
06h 22m

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 22m.

Arrival Snapshot
Arrive in Darien
Thu, May 7, 3:06 AM CDT
Return by in Bremen
Thu, May 7, 9:29 AM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Bremen
2026-05-06T20:43
Arrive Darien
Thu, May 7, 3:06 AM CDT
Route Timing
06h 22m
One way by road
Best Departure Window
6:00 AM to 7:30 AM CDT
Treat this as a longer travel day
Arrive between
12:23 PM to 1:53 PM CDT

Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.

Leave by
11:14 PM CDT
Keeps a same-day return open with about 08h 00m at the destination.
Back in Bremen
8:00 PM CDT
Overnight-style route

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.

Mid-route stop
Williamsville
IL

Village in the United States

From Bremen
163.4 mi
03h 11m
To Darien
163.2 mi
03h 11m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
60°F
Wednesday

Chance Rain Showers

Starts
Wed, May 6 6:00 AM CDT
Wind
8 mph N
Destination
57°F
Wednesday

Partly Sunny

Starts
Wed, May 6 6:00 AM CDT
Wind
5 to 10 mph NW

Driving Route Map

The map below follows the saved road route between Bremen and Darien.

Turn-by-Turn Driving Directions

Step-by-step road directions between Bremen and Darien.

  1. 1

    Start on Chester Road

    1255 ft · 34 sec · Chester Road

  2. 2

    Turn slight right

    6.1 mi · 11 min

  3. 3

    Turn right onto East Holmes Street

    2470 ft · 32 sec · East Holmes Street

  4. 4

    Continue on Lehmen Drive

    7.8 mi · 9 min · Lehmen Drive

  5. 5

    Continue on South State Street

    17.7 mi · 23 min · South State Street

  6. 6

    Continue straight

    20.1 mi · 30 min

  7. 7

    Enter the roundabout and take exit 2 toward Illinois Street

    54 m · 4 sec · North Illinois Street

  8. 8

    Exit the rotary onto North Illinois Street

    9.8 mi · 15 min · North Illinois Street

  9. 9

    Continue on South Morrison Avenue

    1.3 mi · 2 min · South Morrison Avenue

  10. 10

    Continue on Vandalia Street

    2.8 mi · 5 min · Vandalia Street

  11. 11

    Take the ramp slight right toward I 55 North, I 70 East

    2235 ft · 55 sec

  12. 12

    Merge slight left

    3.8 mi · 4 min

  13. 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. 14

    Keep slight right to continue on I 55 North: Chicago

    29.4 mi · 31 min

  15. 15

    Keep slight left to continue on I 55 North, I 74 West: Chicago, Peoria

    116.9 mi · 2 hr 9 min

  16. 16

    Take the exit slight right toward Cass Avenue North

    1550 ft · 44 sec

  17. 17

    Turn straight onto Cass Avenue

    1.5 mi · 3 min · Cass Avenue

  18. 18

    Continue on Cass Avenue

    101 m · 9 sec · Cass Avenue

  19. 19

    Arrive at your destination

    0 m · 1 sec · Cass Avenue

Car Route Details

A richer read on the saved driving route between Bremen and Darien.

OSRM road route
Drive Character

Long-distance drive

This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.

Directions
19 steps
5 turns on the saved route
Ramps & Exits
5
1 merges, 4 ramps or exits
Navigation Density
5.8 / 100 mi
Decision points by distance
Main Roads
I 55 North
258 mi · 79%
South State Street
37.9 mi · 12%
North Illinois Street
9.78 mi · 3%
Lehmen Drive
7.85 mi · 2%
Vandalia Street
2.76 mi · 1%
Cass Avenue
1.58 mi
Longest Stretch

I 55 North

Keep slight left to continue on I 55 North, I 74 West: Chicago, Peoria

117 mi · 02h 09m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

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.

Drive Time
06h 22m
Overnight route
Same-Day Return
12h 46m
Round-trip wheel time
Road vs Air
+48.9 mi
277.6 mi direct line
Halfway Stop
Williamsville
03h 11m from Bremen
Leave By
11:14 PM CDT
Overnight-style route
Weather Watch

Chance Rain Showers leaving Bremen and Partly Sunny near Darien.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Bremen to Darien?

The road trip is about 326.5 miles (525.5 km) and usually takes 06h 22m 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?

Williamsville is a useful midpoint, sitting about 163.4 miles from Bremen and 163.2 miles from Darien.

How much longer is the road route than the straight-line distance?

The direct path is about 277.6 miles (446.8 km), while the road route adds roughly 48.9 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 $43.44 one way or $86.88 round trip. Estimated CO2 is about 102.4 kg one way.

What should you check before leaving?

Before you leave, expect Chance Rain Showers around Bremen and Partly Sunny near Darien.

Stop Ideas Near Williamsville

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
Local place coverage is thin around Williamsville, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Williamsville.

RAIL

Springfield station

19 mi away
East Washington and North Third Sts.
RAIL

Lincoln

27 mi away
Broadway and North Chicago Sts.
RAIL

Uptown Station

78 mi away
100 East Parkinson St.
BUS

Peoria, Illinois

80 mi away
6100 West Everett M. Dirksen Parkway

Flight Path Map

This map shows the direct air route between Bremen and Darien. Straight-line distance: 277.63 mi (446.8 km).

Bremen

#1 Bremen

A village in Ford County, Illinois.

Population106,197
Coordinates37.9711600, -89.7473300
Altitude171
CountryUnited States
Darien

#2 Darien

Town in Connecticut

Population21,531
Coordinates41.7519800, -87.9739500
Altitude231
CountryUnited States
Start: Bremen (-89.74733, 37.97116)
End: Darien (-87.97395, 41.75198)

Estimated Travel Time

Distance: 526 km by road

SpeedTime
30 mph (48.3 km/h)10h 52m
40 mph (64.37 km/h)08h 09m
50 mph (80.47 km/h)06h 31m
60 mph (96.56 km/h)05h 26m
70 mph (112.65 km/h)04h 39m
80 mph (129 km/h)04h 04m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
11.52 gal
43.62 L · about $43.44
Round trip
$86.88
23.04 gal · 87.24 L
Estimated CO2
102.4 kg one way
Round trip: 204.8 kg / 452 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $43.44 $86.88
Mid-grade $4.25 $48.99 $97.99
Premium $4.65 $53.61 $107.23
Diesel $5.30 $61.10 $122.20

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 07, 2026

There is no time difference between Bremen and Darien. The current time is 20:43:41.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.