How far is Rockford, IL from Deer Park, IL?
The driving distance from Rockford, IL to Deer Park, IL is about 77.1 miles (124 km), with a travel time of about 01h 31m by car.
- The straight-line flight distance is about 67.5 miles (108.6 km).
- For a round trip, plan for roughly 03h 02m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM CDT.
Reverse, save, or send this route
This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.
This route works well as a day trip with time at the destination.
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 01h 31m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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 DeKalb and Lee counties, Illinois, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Driving Route Map
The map below follows the saved road route between Rockford and Deer Park.
Turn-by-Turn Driving Directions
Step-by-step road directions between Rockford and Deer Park.
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1
Start on West State Street
546 ft · 23 sec · West State Street
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2
Turn left onto South Church Street
1519 ft · 37 sec · South Church Street
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3
Turn left onto Cedar Street
84 m · 5 sec · Cedar Street
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4
Turn right onto South Main Street
3.6 mi · 6 min · South Main Street
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5
Take the ramp left
1707 ft · 44 sec
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6
Merge slight left onto U.S. Grant Memorial Highway
4.3 mi · 5 min · U.S. Grant Memorial Highway
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7
Take the exit slight right
1.2 km · 2 min
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8
Merge slight right
64.7 mi · 1 hr 9 min
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9
Take the exit slight right toward Oglesby
1736 ft · 49 sec
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10
Turn left onto West Walnut Street
2.4 mi · 6 min · West Walnut Street
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11
Continue on Elm Street
559 ft · 27 sec · Elm Street
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12
Turn right onto Prospect Avenue
60 m · 10 sec · Prospect Avenue
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13
Turn right onto Water Street
111 m · 16 sec · Water Street
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14
Arrive at your destination
0 m · 1 sec · Water Street
Car Route Details
A richer read on the saved driving route between Rockford and Deer Park.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
U.S. Grant Memorial Highway
Merge slight right
64.7 mi · 01h 09m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A comfortable day-trip route
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
Mostly Sunny leaving Rockford and Sunny near Deer Park.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Rockford to Deer Park?
The road trip is about 77.1 miles (124 km) and usually takes 01h 31m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
What is the halfway point on this route?
Lee is a useful midpoint, sitting about 38.6 miles from Rockford and 38.5 miles from Deer Park.
How much longer is the road route than the straight-line distance?
The direct path is about 67.5 miles (108.6 km), while the road route adds roughly 9.6 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 8:00 AM to 10:00 AM CDT. If you want a more comfortable same-day return, try to leave by 3:28 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $10.26 one way or $20.51 round trip. Estimated CO2 is about 24.2 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Rockford and Sunny near Deer Park.
Stop Ideas Near Lee
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 Lee.
Mendota station
Plano
Rockford, Illinois
Princeton
Flight Path Map
This map shows the direct air route between Rockford and Deer Park. Straight-line distance: 67.51 mi (108.64 km).
#1 Rockford
The second most populous city in Illinois.
| Population | 144,835 |
| Coordinates | 42.2711300, -89.0940000 |
| Altitude | 218 |
| Country | United States |
#2 Deer Park
Village in United States of America
| Population | 4,199 |
| Coordinates | 41.2950300, -89.0361900 |
| Altitude | 168 |
| Country | United States |
End: Deer Park (-89.03619, 41.29503)
Estimated Travel Time
Distance: 124 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 34m |
| 40 mph (64.37 km/h) | 01h 55m |
| 50 mph (80.47 km/h) | 01h 32m |
| 60 mph (96.56 km/h) | 01h 17m |
| 70 mph (112.65 km/h) | 01h 06m |
| 80 mph (129 km/h) | 00h 57m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $10.26 | $20.51 |
| Mid-grade | $4.25 | $11.57 | $23.14 |
| Premium | $4.65 | $12.66 | $25.32 |
| Diesel | $5.30 | $14.43 | $28.85 |
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 19, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.