Trip from Round Lake Beach, IL to Decatur, IL

Drive Time

3h 43m

Distance

211.3 mi

340 km

Drive Score

8/10

Great drive

Same Day?

Yes, doable

Fuel Cost

$32

one way

Best Time to Leave

Save up to 38 min
4 AM
3h 30m ★
6 AM
3h 43m
8 AM
4h 8m
10 AM
3h 52m
12 PM
3h 49m
3 PM
3h 53m
5 PM
4h 7m
8 PM
3h 36m

Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.

Downtown Decatur, IL, IL

Decatur, IL

Stéphane Tendon

Trip Overview

Spanning 211.3 miles across Illinois, this trek from Round Lake Beach to Decatur takes approximately 3 hours and 43 minutes. Because the distance is manageable, you can easily complete this as a single-day trip without needing an overnight stay. You should anticipate a fuel budget of roughly $31 to cover the journey. Navigating this path requires a focus on local roads, as your route relies on North Cedar Lake Road, Nippersink Avenue, and South Cedar Lake Road rather than major interstates. It is a straightforward trek through the Midwest that prioritizes local connectivity over high-speed travel, making it a practical choice for those looking to stay off the busy highway system.

Trip Pace

Same-day drive is realistic

A same-day return is realistic if you keep stops short.

Break Rhythm

1 planned break

A short stop every 2 to 3 hours is enough for this drive.

Midpoint

105.6 miles from Round Lake Beach, IL

A natural place for your longest stop of the day , about 1h 51m into the drive .

Drive Character

Expect a turn-heavy local drive rather than a monotonous interstate cruise, as this route maintains a zero-percent highway share. Behind the wheel, you will navigate a series of local thoroughfares that demand your constant attention compared to the mindless straightaways of a typical freeway. Since your longest stretch is 0 miles on North Cedar Lake Road, the road profile remains consistently active with frequent turns and intersections. This character makes the journey feel more hands-on and immersive as you transition through the Illinois landscape. You will find that the lack of highway miles creates a distinct driving experience that keeps you engaged with the local geography from start to finish.

This route has more turning and local-road decision points than a simple highway run.
There are about 25 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
North Cedar Lake Road is one of the defining roads on this drive.

How Hard Is This Drive?

Expect a hands-on drive with frequent turns and local roads rather than long highway stretches. There are only a few real navigation decisions along the way.

Route Complexity 3/10

Easy - simple navigation with a manageable amount of wheel time

This is a straightforward 3h 43m drive. You will face about 0 decision points, but nothing that requires special attention if you follow navigation.

Where does it get tricky?

This route does not have any notably tricky sections. Most of the drive from Round Lake Beach, IL to Decatur, IL is straightforward, with well-signed roads and simple exits.

Main Roads

Road Distance Duration
North Cedar Lake Road Unavailable Refreshing
Nippersink Avenue Unavailable Refreshing
South Cedar Lake Road Unavailable Refreshing
West Belvidere Road Unavailable Refreshing
IL 53 South Unavailable Refreshing
I 290 East Unavailable Refreshing
I 355 South Unavailable Refreshing
I 55 South Unavailable Refreshing

Per-road distance and duration are being refreshed from OSRM for this route.

Longest stretch: North Cedar Lake Road — detailed segment metrics are refreshing.

Turn-by-Turn Driving Directions

Step-by-step road directions between Round Lake Beach, IL and Decatur, IL.

1

Start on the route

141 ft · 13 sec · the route
2

Turn right onto North Cedar Lake Road

1.4 mi · 2 min · North Cedar Lake Road
3

Turn right onto Nippersink Avenue

0.1 mi · 19 sec · Nippersink Avenue
4

Turn left onto South Cedar Lake Road

1.0 mi · 1 min · South Cedar Lake Road
5

Turn right onto West Belvidere Road

3.6 mi · 5 min · West Belvidere Road
6

Turn left

0.1 mi · 17 sec
7

Continue straight

0.1 mi · 7 sec
8

Continue straight

1.7 mi · 1 min
9

Continue straight

1.1 mi · 1 min
10

Continue straight

14 mi · 20 min
11

Take the ramp right toward IL 53 South

0.3 mi · 41 sec · IL 53 South
12

Merge slight left

4.4 mi · 5 min
13

Keep slight left to continue on I 290 East: Chicago, Biesterfield Road

7.0 mi · 9 min · I 290 East: Chicago, Biesterfield Road
14

Keep slight left to continue on I 355 South Tollway: Joliet

20 mi · 25 min · I 355 South Tollway: Joliet
15

Take the exit slight right toward I 55 South: Joliet Road, Saint Louis

0.3 mi · 36 sec · I 55 South: Joliet Road, Saint Louis
16

Keep slight left to continue on Joliet Road South

0.4 mi · 48 sec · Joliet Road South
17

Keep slight left to continue on I 55 South: Saint Louis

0.1 mi · 17 sec · I 55 South: Saint Louis
18

Merge slight left onto Adlai Stevenson Expressway

112 mi · 2 hr 2 min · Adlai Stevenson Expressway
19

Keep slight left to continue on I 74 East, US 51 South, US 55 Business North: Indianapolis, Decatur

2.1 mi · 2 min · I 74 East, US 51 South, US 55 Business North: Indianapolis, Decatur
20

Take the exit slight right toward US 51 South, US 51 Business North: Decatur, Bloomington

0.3 mi · 40 sec · US 51 South, US 51 Business North: Decatur, Bloomington
21

Continue on North 1450 East Road

15 mi · 17 min · North 1450 East Road
22

Continue on North Walnut Street

23 mi · 29 min · North Walnut Street
23

Turn straight

4.7 mi · 7 min
24

Turn left onto East Wood Street

299 ft · 8 sec · East Wood Street
25

Arrive at your destination

Trip Plan

To make the most of your 3-hour and 43-minute travel time, plan for at least one dedicated stop along the way to break up the turns. Leaving early in the day is your best strategy to avoid fatigue, especially since you are navigating local roads that do not offer the quick pace of a major highway. Keep a close eye on your fuel gauge, as the $31 estimate is based on consistent driving conditions, and local routes can sometimes be less predictable than interstates. Given the turn-heavy nature of this journey, ensure your GPS is updated and ready to handle the frequent transitions between North Cedar Lake Road, Nippersink Avenue, and South Cedar Lake Road. Maintaining a flexible schedule is a major advantage for this trip, allowing you to pace yourself comfortably.

Morning Departure

An early start around 7-8 AM gets you there with plenty of daylight left.

Evening Departure

A late afternoon start means arriving after dark. Morning is better.

You can normally do this drive in one day.
Plan roughly 1 meaningful break for fuel, food, and rest.
The halfway point lands around 105.6 miles from Round Lake Beach, IL, or about 1h 51m into the drive.

This is a comfortable same-day trip.

Departure

Before you leave

Start with fuel, water, and navigation already sorted so the first hour feels easy.

First stop

Around 80 miles or 1h 24m in

Use this first pause for coffee, a restroom break, and a quick traffic check ahead.

Halfway reset

Around 105.6 miles or 1h 51m in

This is the best place for your longest stop, a real meal, and a full fuel check.

Final approach

Final hour starts around 3h 2m

Traffic, exits, and arrival timing usually matter more near Decatur, IL than in the middle of the route.

Before You Leave

+

Open the route before leaving Round Lake Beach, IL so your first major turns are already loaded.

+

Leave with enough water and a charging cable within reach, not packed away.

+

Check your fuel range against the first long segment, especially if you are starting outside city service areas.

Day 1

Settle into the route from Round Lake Beach, IL

This is one driving day of about 211.3 miles and 3h 43m.

Your first comfortable stop window is around 80 miles from Round Lake Beach, IL.
This route can stay practical as a one-day drive if traffic stays reasonable.
Plan about 1 real break rather than only quick fuel stops.

Where to Stop

Rest stops, refuel points, and overnight suggestions along this route.

Halfway Point

Midpoint

About 105.6 mi from Round Lake Beach, IL · 1h 51m into the drive

Downtown Joliet, IL, IL

Mid-route town

Meal stop

Joliet, IL

106 mi into the route

Best for: Lunch, fuel, and a longer reset

This sits close to the middle of the route, so it works well for the longest stop of the day.

Pacing Suggestions

Wheaton, IL

Fuel and coffee

A short stop after about 80 miles helps settle the day before fatigue starts building.

Joliet, IL

Meal break

The midpoint is around 105.6 miles from Round Lake Beach, IL, which is a good place for a longer meal and fuel stop.

Arriving in Decatur, IL

The final approach into Decatur, IL usually feels slower than the middle of the drive, so avoid planning your tightest schedule at the very end.

Try to arrive with enough fuel left to skip an immediate station stop unless you already know the area around Decatur, IL.

These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.

Fuel & Cost

Regular Gas

$32.09 one way

$64.19 round trip

$3.86/gal 25.4 MPG avg 74 kg CO2
Fuel Type $/gal One Way Round Trip
midgrade $4.25 $35.38 $70.76
premium $4.80 $39.89 $79.78
diesel $5.64 $46.94 $93.89

No toll roads detected on this route.

Estimated Trip Cost (one way, 1 person)

Fuel

$32

Meals

$25–$50

Total

$57–$82

Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.

Estimated CO2 emission: 73.9 kg one way. Prices: EIA weekly data, 2026-04-06.

Driving Electric?

About $22 in charging · 0 stops · 66% less CO2

Vehicle Type kWh Stops DC Fast Home Charge
Average EV 63.4 0 $22.19 $10.14
Efficient EV 52.8 0 $18.49 $8.45
EV Truck/SUV 84.5 1 $29.58 $13.52

Gas CO2

74 kg

EV CO2

25 kg (66% less)

This trip is well within single-charge range for most EVs. No charging stops needed if you start fully charged.

DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.

Travel Intel

Current conditions at both ends of the drive.

Forecast data refreshed 2 days ago

Origin

Round Lake Beach, IL

Afternoon in Round Lake Beach on Sunday

Local time

3:07 PM

CDT

Current temp

49°F

Unavailable

Live forecast

Destination

Decatur, IL

Afternoon in Decatur on Sunday

Local time

3:07 PM

CDT

Current temp

55°F

Unavailable

Live forecast

Seasonal Notes

Summer travel usually means heavier construction, hotter rest stops, and busier weekend traffic around major cities.

Winter travel shortens daylight, so a route that looks manageable on paper can feel much longer after dark.

Holiday weekends tend to make both departure and arrival windows slower than the raw route time suggests.

Time zone

Same local time

Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.

Temperature spread

6 degrees warmer at arrival

A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.

Road read

3h 43m on the road

Use the two city cards together: check the sky where you start, then compare it with the local time and temperature at arrival.

Weather data from the National Weather Service. Conditions may change; check closer to your travel date.

Frequently Asked Questions

The drive from Round Lake Beach, IL to Decatur, IL covers 211.3 miles and takes about 3h 43m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are North Cedar Lake Road, Nippersink Avenue, South Cedar Lake Road. Expect a mix of highway and local road driving.
This is a comfortable same-day trip.
The midpoint is about 105.6 miles from Round Lake Beach, IL. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $32.09 one way. This estimate uses 25.4 MPG — your actual cost will vary with your vehicle's fuel efficiency and current gas prices.
An early start around 7-8 AM gets you there with plenty of daylight left. A late afternoon start means arriving after dark. Morning is better.
Plan about 1 meaningful break for fuel, food, or rest. A short stop every 2 to 3 hours is enough for this drive.
This is a straightforward 3h 43m drive. You will face about 0 decision points, but nothing that requires special attention if you follow navigation.
This route does not have any notably tricky sections. Most of the drive from Round Lake Beach, IL to Decatur, IL is straightforward, with well-signed roads and simple exits.
The route from Round Lake Beach, IL to Decatur, IL does not surface many named destination signs beyond the main corridor.

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