How far is Rockford, IL from Flagg, IL?
The driving distance from Rockford, IL to Flagg, IL is about 30.6 miles (49.2 km), with a travel time of about 00h 52m by car.
- The straight-line flight distance is about 26 miles (41.9 km).
- For a round trip, plan for roughly 01h 44m 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 00h 52m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
This departure sits inside the recommended comfort window for the route.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
City in Illinois, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Areas Of Frost then Chance Rain Showers
Patchy Frost then Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Rockford and Flagg.
Turn-by-Turn Driving Directions
Step-by-step road directions between Rockford and Flagg.
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1
Start on West State Street
23 m · 6 sec · West State Street
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2
Turn right onto South Wyman Street
732 ft · 26 sec · South Wyman Street
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3
Turn left onto Chestnut Street
727 ft · 12 sec · Chestnut Street
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4
Continue on Walnut Street
1859 ft · 40 sec · Walnut Street
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5
Turn right onto Kishwaukee Street
1 mi · 2 min · Kishwaukee Street
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6
Turn left onto 15th Avenue
1.2 km · 1 min · 15th Avenue
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7
Turn right onto 11th Street
13.3 mi · 22 min · 11th Street
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8
Continue straight
9.6 mi · 14 min
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9
Turn right onto 4th Avenue
106 m · 13 sec · 4th Avenue
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10
Turn left onto 8th Street
122 m · 11 sec · 8th Street
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11
Turn right onto Lincoln Avenue
4 mi · 7 min · Lincoln Avenue
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12
Turn left onto South Grange Road
1.1 mi · 4 min · South Grange Road
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13
Turn left onto East Titus Road
19 m · 3 sec · East Titus Road
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14
Arrive at your destination
0 m · 1 sec · East Titus Road
Car Route Details
A richer read on the saved driving route between Rockford and Flagg.
Turn-heavy local drive
The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.
11th Street
Turn right onto 11th Street
13.3 mi · 00h 22m
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.
Areas Of Frost then Chance Rain Showers leaving Rockford and Patchy Frost then Chance Rain Showers near Flagg.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Rockford to Flagg?
The road trip is about 30.6 miles (49.2 km) and usually takes 00h 52m 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?
Davis Junction is a useful midpoint, sitting about 15.3 miles from Rockford and 15.3 miles from Flagg.
How much longer is the road route than the straight-line distance?
The direct path is about 26 miles (41.9 km), while the road route adds roughly 4.6 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 4:46 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $4.07 one way or $8.15 round trip. Estimated CO2 is about 9.6 kg one way.
What should you check before leaving?
Before you leave, expect Areas Of Frost then Chance Rain Showers around Rockford and Patchy Frost then Chance Rain Showers near Flagg.
Stop Ideas Near Davis Junction
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 Davis Junction.
Rockford, Illinois
South Beloit, Illinois
Mendota station
Plano
Flight Path Map
This map shows the direct air route between Rockford and Flagg. Straight-line distance: 26.04 mi (41.91 km).
#1 Rockford
The second most populous city in Illinois.
| Population | 144,835 |
| Coordinates | 42.2711300, -89.0940000 |
| Altitude | 218 |
| Country | United States |
#2 Flagg
City in Illinois, United States of America
| Population | 12,745 |
| Coordinates | 41.8958600, -89.1409300 |
| Altitude | 238 |
| Country | United States |
End: Flagg (-89.14093, 41.89586)
Estimated Travel Time
Distance: 49 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 01m |
| 40 mph (64.37 km/h) | 00h 45m |
| 50 mph (80.47 km/h) | 00h 36m |
| 60 mph (96.56 km/h) | 00h 30m |
| 70 mph (112.65 km/h) | 00h 26m |
| 80 mph (129 km/h) | 00h 22m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $4.07 | $8.15 |
| Mid-grade | $4.25 | $4.59 | $9.19 |
| Premium | $4.65 | $5.03 | $10.05 |
| Diesel | $5.30 | $5.73 | $11.46 |
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
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.