Origin
Big Rock, IL
Late night in Big Rock on Tuesday
Local time
5:41 AM
CDT
Current temp
64°F
Unavailable
Live forecast
Trip from Big Rock, IL to Rockford, IL
Pin this tripCompiled and reviewed by the US Trip Planner planning team at COD Solutions Oy · Last reviewed Apr 21, 2026 · Editorial standards
Drive Time
1h 25m
Distance
65.5 mi
105 km
Drive Score
9/10
Great drive
Same Day?
Yes, doable
Fuel Cost
$10
one way
EV Charging
Unknown
Best Time to Leave
4 AM
1h 19m
★
6 AM
1h 26m
8 AM
1h 39m
10 AM
1h 30m
12 PM
1h 29m
3 PM
1h 31m
5 PM
1h 38m
8 PM
1h 22m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Big Rock, IL
Wikimedia Commons
Rockford, IL
Wikimedia Commons
Trip Overview
This 65.5-mile drive from Big Rock, IL, to Rockford, IL, is a straightforward journey perfect for a single day trip, taking about 1 hour and 25 minutes. You'll primarily navigate I-39, West Lincoln Highway, and Galena Street, with about half of the drive on highways. The estimated fuel cost is a modest $10, reflecting the relatively short distance within the Midwest region. Given its manageable length and minimal stops suggested, this route offers a convenient way to travel between these two Illinois locations without needing an overnight stay.
Main Roads
| Road | Distance | Duration |
|---|---|---|
| I 39 | 31.2 mi | 33m |
| West Lincoln Highway | 14.6 mi | 21m |
| Galena Street | 5.6 mi | 9m |
| U.S. Grant Memorial Highway | 4.7 mi | 5m |
| West Lincoln Street | 3.9 mi | 5m |
| South Main Street | 3.7 mi | 6m |
| West State Street | <0.1 mi | <1m |
Longest stretch:
I 39
— 31.2 mi, about 33m
Turn-by-Turn Driving Directions
Step-by-step road directions between Big Rock, IL and Rockford, IL.
1
Start on this road
47 ft
·
8 sec
·
this road
2
Turn left onto US 30
5.6 mi
·
9 min
·
Galena Street
3
Continue on US 30
3.9 mi
·
5 min
·
West Lincoln Street
4
Continue on US 30
15 mi
·
21 min
·
West Lincoln Highway
5
Take the ramp
0.4 mi
·
48 sec
6
Merge onto I 39; US 51
31 mi
·
33 min
·
I 39; US 51
7
Take the exit
1.1 mi
·
2 min
Toward US 20 West: Freeport, Rockford
8
Merge onto US 20
4.7 mi
·
5 min
·
U.S. Grant Memorial Highway
9
Take the exit
0.3 mi
·
44 sec
Toward IL 2: Rockford, Dixon
10
Keep slight right at fork
281 ft
·
6 sec
11
Turn straight onto IL 2
3.7 mi
·
6 min
·
South Main Street
12
Turn right onto West State Street
148 ft
·
4 sec
·
West State Street
13
Arrive at destination
West State Street
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Mid-route town
Meal stop
33 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
Fuel and coffee
A short stop after about 14 miles helps settle the day before fatigue starts building.
Meal break
The midpoint is around 32.7 miles from Big Rock, IL, which is a good place for a longer meal and fuel stop.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
Heads-up: tricky spots
5 of 75 decision points cluster between mile 0 and 61.7 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
3
0 mi into trip
|
~0m in
|
US 30 / Galena Street
Turn left onto US 30 / Galena Street
Navigation decision point
3
24.4 mi into trip
|
~37m in
|
I 39; US 51
Merge onto I 39; US 51
Merge point - match speed before joining
5
55.6 mi into trip
|
~1h 11m in
Take the exit toward US 20 West: Freeport, Rockford
Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one
Toward US 20 West: Freeport, Rockford
5
61.4 mi into trip
|
~1h 18m in
Take the exit toward IL 2: Rockford, Dixon
Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one
Toward IL 2: Rockford, Dixon
4
61.7 mi into trip
|
~1h 19m in
Keep slight right at fork
Highway fork - watch signs carefully
Fuel & Cost
Regular Gas
$10.24 one way
$20.48 round trip
$3.97/gal
25.4 MPG avg
23 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.36 | $11.24 | $22.49 |
| premium | $4.89 | $12.60 | $25.21 |
| diesel | $5.61 | $14.46 | $28.92 |
No toll roads detected on this route.
Drive Cost (one way)
Fuel
$10
Estimated CO2 emission: 22.9 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $7 in charging · 0 stops · 65% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 19.7 | 0 | $6.88 | $3.14 |
| Efficient EV | 16.4 | 0 | $5.73 | $2.62 |
| EV Truck/SUV | 26.2 | 0 | $9.17 | $4.19 |
Gas CO2
23 kg
EV CO2
8 kg (65% 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.
Destination
Rockford, IL
Late night in Rockford on Tuesday
Local time
5:41 AM
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
42°F
Flagg, IL
33 mi in
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
7 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
1h 25m 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.
What kind of drive is this?
Expect a mixed drive on this route, with 48% of the journey on highways, including a continuous stretch of 31.2 miles on I-39. This means you'll experience periods of faster travel interspersed with more local road driving as you approach your destination. The character of the road shifts from the open feel of the interstate to potentially more varied conditions on West Lincoln Highway and Galena Street. It’s a drive that balances efficiency with a touch of local flavor.
48% highway, the rest on surface roads — varied driving throughout.
13 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 31.2 mi on I 39.
How Hard Is This Drive?
4/10
This route mixes highway mileage with some local-road sections near the start or finish. There are only a few real navigation decisions along the way. The trickiest moment comes early in the drive near US 30 / Galena Street.
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 25m drive. You will face about 7 decision points, but nothing that requires special attention if you follow navigation.
Where does it get tricky?
The main spots that need attention: near the start (US 30 / Galena Street): Navigation decision point; at 24.4 miles (I 39; US 51): Merge point - match speed before joining; at 55.6 miles: Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one.
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
On the drive from Big Rock, IL to Rockford, IL, road signs begin pointing toward Dixon along the way.
Dixon
61.4 mi in
|
~1h 18m
About the Cities
Starting in Big Rock, IL
Full guide →Founded 2001
City content from Wikivoyage (CC BY-SA 4.0) and Wikidata (CC0).
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 1h 25m. Total distance: 65.5 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
1h 25m drive, comfortable solo distance.
EV Driver
0 DC fast chargers along the route. Coverage: unknown.
First-Time Driver
Mostly highway driving (48%). Straightforward navigation.
Frequently Asked Questions
The longest stretch is about 31.2 miles on I 39. The full list of main roads is in the Roads section above.
Yes. At under 2 hours behind the wheel, this works well for families — plan one quick stop if you have younger kids.
The main spots that need attention: near the start (US 30 / Galena Street): Navigation decision point; at 24.4 miles (I 39; US 51): Merge point - match speed before joining; at 55.6 miles: Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one.
Yes. A round trip is manageable in a single day if you plan a break at Rockford, IL before heading back.
How this page is built
Compiled by the US Trip Planner planning team at COD Solutions Oy from open government datasets — OSRM over OpenStreetMap for geometry, and EIA for fuel prices. See our methodology for refresh cadence and limitations.
Was this helpful?
Thanks for your feedback!
Your tip has been submitted. Thanks!
/500
Recent Tips
·
Explore More
Continue From Rockford, IL
More from Big Rock, IL
More trips to Rockford, IL
Explore more options from Big Rock, IL or browse trips ending in Rockford, IL.
Looking for more statewide routes? Browse IL road trips.