Trip from Rockford, IL to McCullom Lake, IL

Last recalculated Apr 17, 2026

Drive Time

1h 23m

Distance

50.2 mi

81 km

Drive Score

7/10

Good drive

Same Day?

Yes, doable

Fuel Cost

one way

EV Charging

Unknown

Best Time to Leave

Save up to 20 min

4 AM

1h 17m ★

6 AM

1h 24m

8 AM

1h 37m

10 AM

1h 28m

12 PM

1h 27m

3 PM

1h 29m

5 PM

1h 36m

8 PM

1h 20m

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

Best Time Drive vs Fly

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Rockford, IL

Wikimedia Commons

McCullom Lake, IL

Sean Ewing

Trip Overview

The drive from Rockford, IL to McCullom Lake, IL covers 50.2 miles and takes about 1h 23m behind the wheel. This route is realistic as a one-day drive if you keep your stops efficient.

The route leans on U.S. Grant Memorial Highway, Kishwaukee Valley Road, West Grant Highway for much of the mileage, and the overall profile is turn-heavy local drive. The longest uninterrupted segment is about 13.4 miles on U.S. Grant Memorial Highway. At current regular gas prices, budget about $7.85 one way before food or hotel costs.

Who Is This Route For?

Weekend Trip

Doable as a same-day drive at 1h 23m. Total distance: 50.2 miles.

Family Friendly

Moderate complexity with 0 natural rest stops along the way.

Solo Traveler

1h 23m drive, comfortable solo distance.

EV Driver

0 DC fast chargers along the route. Coverage: unknown.

First-Time Driver

Mostly highway driving (5%). Straightforward navigation.

Scenic Drive

Turn-heavy local drive route profile.

Drive Character

Expect a 1h 23m drive with frequent turns across 50.2 miles of local and secondary roads.

This route has more turning and local-road decision points than a simple highway run.

There are about 26 navigation steps in the underlying route data, so the final approach matters more than the middle miles.

U.S. Grant Memorial Highway is the longest continuous segment at about 13.4 miles.

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. The trickiest moment comes around 4.4 miles in.

Driving Effort 4/10

Easy - simple navigation with a manageable amount of wheel time

Balances navigation complexity with total wheel time.

This is a straightforward 1h 23m drive. You will face about 15 decision points, but nothing that requires special attention if you follow navigation.

Where does it get tricky?

The main spots that need attention: at 4.4 miles: Navigation decision point; at 26.5 miles (IL 23 / South State Street): Navigation decision point; at 39.5 miles (IL 120 / West Washington Street): Complex interchange - multiple decisions in a short stretch.

Critical Maneuvers

5 of 15 key points

These are the spots where you need to pay the most attention. Preview them before you drive.

4.4 mi into trip | ~8m in

Turn right

Navigation decision point

26.5 mi into trip | ~43m in | IL 23 / South State Street

Turn left onto IL 23 / South State Street

Navigation decision point

39.5 mi into trip | ~1h 3m in | IL 120 / West Washington Street

At end of road, turn right onto IL 120 / West Washington Street

Complex interchange - multiple decisions in a short stretch

39.7 mi into trip | ~1h 4m in | IL 120 / North Madison Street

Turn left onto IL 120 / North Madison Street

Navigation decision point

50.2 mi into trip | ~1h 23m in | Parkview Drive

Turn right onto Parkview Drive

Navigation decision point

Main Roads

Road	Distance	Duration
U.S. Grant Memorial Highway	13.4 mi	20m
Kishwaukee Valley Road	7.4 mi	10m
West Grant Highway	5 mi	7m
South State Street	4.5 mi	7m
West State Street	3.4 mi	6m
Greenwood Road	2.9 mi	4m
Charles Street	2.8 mi	5m
State Route 120	2.6 mi	3m

Longest stretch: U.S. Grant Memorial Highway — 13.4 mi, about 20m

Turn-by-Turn Driving Directions

Step-by-step road directions between Rockford, IL and McCullom Lake, IL.

Start on West State Street

3.4 mi · 6 min · West State Street

Turn right onto South Alpine Road

0.9 mi · 1 min · South Alpine Road

Continue on South Alpine Road

359 ft · 14 sec · South Alpine Road

Turn right

87 ft · 3 sec

Turn right onto Charles Street

2.8 mi · 5 min · Charles Street

Turn right onto South Mall Drive

388 ft · 19 sec · South Mall Drive

Turn left onto Harrison Avenue

0.7 mi · 1 min · Harrison Avenue

Continue on US 20

13 mi · 20 min · U.S. Grant Memorial Highway

Continue on US 20

5.0 mi · 7 min · West Grant Highway

Turn left onto IL 23

4.5 mi · 7 min · South State Street

Turn right onto A33

7.4 mi · 10 min · Kishwaukee Valley Road

Continue on West Jackson Street

0.9 mi · 2 min · West Jackson Street

Turn left onto North Throop Street

0.2 mi · 30 sec · North Throop Street

At end of road, turn right onto IL 120

0.2 mi · 31 sec · West Washington Street

Turn left onto IL 120

0.1 mi · 12 sec · North Madison Street

Turn right onto IL 120

1.0 mi · 1 min · McHenry Avenue

Continue on IL 120

2.9 mi · 4 min · Greenwood Road

Turn right onto IL 120

2.6 mi · 3 min · State Route 120

Continue on IL 120

2.1 mi · 3 min · West Elm Street

Turn left onto Ringwood Road

0.8 mi · 2 min · Ringwood Road

Turn right onto West Flanders Road

0.4 mi · 1 min · West Flanders Road

Turn left onto Spring Road

0.2 mi · 49 sec · Spring Road

Turn right onto West Orchard Drive

0.2 mi · 42 sec · West Orchard Drive

Turn left onto Eastwood Drive

0.1 mi · 36 sec · Eastwood Drive

Turn right onto Parkview Drive

11 ft · 0 sec · Parkview Drive

Arrive at destination

Parkview Drive

Where to Stop

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

Halfway Point

Midpoint

About 25.1 mi from Rockford, IL · 41m into the drive

city in McHenry County, Illinois, United States

Mid-route town

Meal stop

Marengo, IL

25 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

Belvidere, IL

Fuel and coffee

A short stop after about 11 miles helps settle the day before fatigue starts building.

Marengo, IL

Meal break

The midpoint is around 25.1 miles from Rockford, IL, which is a good place for a longer meal and fuel stop.

Arriving in McCullom Lake, IL

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

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

Fuel & Cost

Regular Gas

$7.85 one way

$15.70 round trip

$3.97/gal 25.4 MPG avg 18 kg CO₂

Fuel Type	$/gal	One Way	Round Trip
midgrade	$4.36	$8.62	$17.23
premium	$4.89	$9.66	$19.32
diesel	$5.61	$11.08	$22.17

No toll roads detected on this route.

Drive Cost (one way)

Fuel

Estimated CO2 emission: 17.6 kg one way. Prices: EIA weekly data, 2026-04-13.

Driving Electric?

About $5 in charging · 0 stops · 67% less CO₂

Vehicle Type	kWh	DC Fast	Home Charge
Average EV	15.1	$5.27	$2.41
Efficient EV	12.6	$4.39	$2.01
EV Truck/SUV	20.1	$7.03	$3.21

Gas CO2

18 kg

EV CO2

6 kg (67% 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 as of Apr 16, 2026

Origin

Rockford, IL

Night in Rockford on Thursday

Local time

10:58 PM

CDT

Current temp

71°F

Isolated Rain Showers

NW 5 to 10 mph 21% chance Live forecast

Flood Warning

Flood Warning issued April 16 at 12:33PM CDT until April 18 at 7:00PM CDT by NWS Chicago IL

Flood Watch

Flood Watch issued April 16 at 12:29PM CDT by NWS Chicago IL

Destination

McCullom Lake, IL

Night in McCullom Lake on Thursday

Local time

10:58 PM

CDT

Current temp

67°F

Unavailable

Live forecast

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

4 degrees cooler at arrival

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

Road read

1h 23m on the road

The weather snapshot is not static. If you are leaving later, give both cities one more quick forecast check before departure.

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

Frequently Asked Questions

The drive from Rockford, IL to McCullom Lake, IL covers 50.2 miles and takes about 1h 23m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.

The main roads are U.S. Grant Memorial Highway, Kishwaukee Valley Road, West Grant Highway. Expect a mix of highway and local road driving.

This is a comfortable same-day trip.

The midpoint is about 25.1 miles from Rockford, IL. Look for rest areas, gas stations, or food options near the halfway mark.

At current regular gas prices, expect to spend about $7.85 one way. This estimate uses 25.4 MPG — your actual cost will vary with your vehicle's fuel efficiency and current gas prices.

Leave by 9 AM and you'll arrive before lunch. Even a 4 PM departure gets you there before dark in summer.

This is a straightforward 1h 23m drive. You will face about 15 decision points, but nothing that requires special attention if you follow navigation.

The route from Rockford, IL to McCullom Lake, IL does not surface many named destination signs beyond the main corridor.

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