How far is Flagg, IL from Joliet, IL?
The driving distance from Flagg, IL to Joliet, IL is about 83 miles (133.5 km), with a travel time of about 01h 31m by car.
- The straight-line flight distance is about 60.3 miles (97 km).
- For a round trip, plan for roughly 03h 03m 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.
Township in Kane County, Illinois
Route Weather Snapshot
Check the forecast at both ends before you head out.
Driving Route Map
The map below follows the saved road route between Flagg and Joliet.
Turn-by-Turn Driving Directions
Step-by-step road directions between Flagg and Joliet.
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1
Start on East Titus Road
19 m · 5 sec · East Titus Road
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2
Turn right onto South Grange Road
1.1 mi · 4 min · South Grange Road
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3
Turn right onto Lincoln Avenue
4 mi · 7 min · Lincoln Avenue
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4
Turn left onto 8th Street
122 m · 11 sec · 8th Street
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5
Turn right onto 4th Avenue
81 m · 5 sec · 4th Avenue
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6
Turn right
1.7 mi · 3 min
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7
Turn left
2198 ft · 54 sec
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8
Merge slight left onto Ronald Reagan Memorial Tollway
40 mi · 43 min · Ronald Reagan Memorial Tollway
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9
Take the exit slight right toward IL 31 East, IL 56 East
2953 ft · 1 min
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10
Turn right onto South Lincolnway Street
1904 ft · 56 sec · South Lincolnway Street
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11
Turn left onto Sullivan Road
1956 ft · 56 sec · Sullivan Road
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12
Turn right
2.3 mi · 5 min
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13
Turn left onto East New York Street
1.1 mi · 2 min · East New York Street
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14
Turn slight right
53 m · 8 sec
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15
Turn slight right onto North Ohio Street
608 ft · 17 sec · North Ohio Street
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16
Turn left onto East Galena Boulevard
612 ft · 18 sec · East Galena Boulevard
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17
Continue on Hill Avenue
2.5 mi · 5 min · Hill Avenue
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18
Turn straight onto Lincoln Highway
7.4 mi · 11 min · Lincoln Highway
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19
Turn left onto 143rd Street
1.6 km · 2 min · 143rd Street
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20
Turn right onto North Division Street
1.2 mi · 3 min · North Division Street
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21
Turn left onto North Joliet Road
2.5 mi · 5 min · North Joliet Road
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22
Continue on Plainfield Road
5.2 mi · 11 min · Plainfield Road
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23
Continue on North Center Street
2358 ft · 1 min · North Center Street
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24
Turn left onto West Jefferson Street
1945 ft · 1 min · West Jefferson Street
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25
Turn left onto Joliet Street
53 m · 7 sec · Joliet Street
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26
Turn right
83 m · 20 sec
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27
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Flagg and Joliet.
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.
Ronald Reagan Memorial Tollway
Merge slight left onto Ronald Reagan Memorial Tollway
40 mi · 00h 43m
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.
Sunny leaving Flagg and Sunny near Joliet.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Flagg to Joliet?
The road trip is about 83 miles (133.5 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?
Kaneville is a useful midpoint, sitting about 36.4 miles from Flagg and 46.5 miles from Joliet.
How much longer is the road route than the straight-line distance?
The direct path is about 60.3 miles (97 km), while the road route adds roughly 22.7 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 3:26 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $11.05 one way or $22.10 round trip. Estimated CO2 is about 26 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Flagg and Sunny near Joliet.
Stop Ideas Near Kaneville
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 Kaneville.
Plano
Naperville
Joliet Transportation Center
La Grange Road
Flight Path Map
This map shows the direct air route between Flagg and Joliet. Straight-line distance: 60.26 mi (96.98 km).
#1 Flagg
City in Illinois, United States of America
| Population | 12,745 |
| Coordinates | 41.8958600, -89.1409300 |
| Altitude | 238 |
| Country | United States |
#2 Joliet
The second most populous city in Will County, Illinois.
| Population | 85,583 |
| Coordinates | 41.5251900, -88.0834000 |
| Altitude | 165 |
| Country | United States |
End: (-88.083409, 41.525419)
Estimated Travel Time
Distance: 134 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 45m |
| 40 mph (64.37 km/h) | 02h 04m |
| 50 mph (80.47 km/h) | 01h 39m |
| 60 mph (96.56 km/h) | 01h 22m |
| 70 mph (112.65 km/h) | 01h 11m |
| 80 mph (129 km/h) | 01h 02m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $11.05 | $22.10 |
| Mid-grade | $4.25 | $12.46 | $24.92 |
| Premium | $4.65 | $13.64 | $27.27 |
| Diesel | $5.30 | $15.54 | $31.08 |
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 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.