How far is Flagg, IL from Waukegan, IL?
The driving distance from Flagg, IL to Waukegan, IL is about 111.2 miles (179 km), with a travel time of about 01h 56m by car.
- The straight-line flight distance is about 73.9 miles (118.9 km).
- For a round trip, plan for roughly 03h 52m 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 56m.
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.
City in DuPage County, Illinois, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Flagg and Waukegan.
Turn-by-Turn Driving Directions
Step-by-step road directions between Flagg and Waukegan.
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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
58.3 mi · 1 hr 6 min · Ronald Reagan Memorial Tollway
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9
Keep slight right to continue on Ronald Reagan Memorial Tollway
4.7 mi · 6 min · Ronald Reagan Memorial Tollway
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10
Take the exit slight right toward I 294 North, I 290 West: Milwaukee, Rockford
3128 ft · 1 min
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11
Keep slight left to continue on I 294 Toll North: O'Hare International Airport, Milwaukee
1156 ft · 28 sec
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12
Merge slight left onto Tri-State Tollway
35.2 mi · 43 min · Tri-State Tollway
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13
Take the exit slight right toward IL 120 East: Belvidere Road
1923 ft · 47 sec
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14
Turn straight onto Belvidere Road
1.9 mi · 3 min · Belvidere Road
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15
Continue on Belvidere Street
1.6 mi · 3 min · Belvidere Street
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16
Turn left onto Glen Rock Avenue
2495 ft · 1 min · Glen Rock Avenue
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17
Turn left onto South Jackson Street
2647 ft · 1 min · South Jackson Street
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18
Arrive at your destination
0 m · 1 sec · North Jackson Street
Car Route Details
A richer read on the saved driving route between Flagg and Waukegan.
Straightforward drive
The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.
Ronald Reagan Memorial Tollway
Merge slight left onto Ronald Reagan Memorial Tollway
58.3 mi · 01h 06m
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 Mostly Sunny near Waukegan.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Flagg to Waukegan?
The road trip is about 111.2 miles (179 km) and usually takes 01h 56m 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?
Warrenville is a useful midpoint, sitting about 55.6 miles from Flagg and 55.7 miles from Waukegan.
How much longer is the road route than the straight-line distance?
The direct path is about 73.9 miles (118.9 km), while the road route adds roughly 37.3 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 2:38 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $14.82 one way or $29.64 round trip. Estimated CO2 is about 34.9 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Flagg and Mostly Sunny near Waukegan.
Stop Ideas Near Warrenville
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 Warrenville.
Naperville
La Grange Road
Summit
Joliet Transportation Center
Flight Path Map
This map shows the direct air route between Flagg and Waukegan. Straight-line distance: 73.86 mi (118.87 km).
#1 Flagg
City in Illinois, United States of America
| Population | 12,745 |
| Coordinates | 41.8958600, -89.1409300 |
| Altitude | 238 |
| Country | United States |
#2 Waukegan
The second most populous city in Lake County, Illinois.
| Population | 85,453 |
| Coordinates | 42.3636300, -87.8447900 |
| Altitude | 199 |
| Country | United States |
End: North Jackson Street (-87.844706, 42.363629)
Estimated Travel Time
Distance: 179 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 42m |
| 40 mph (64.37 km/h) | 02h 46m |
| 50 mph (80.47 km/h) | 02h 13m |
| 60 mph (96.56 km/h) | 01h 51m |
| 70 mph (112.65 km/h) | 01h 35m |
| 80 mph (129 km/h) | 01h 23m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $14.82 | $29.64 |
| Mid-grade | $4.25 | $16.71 | $33.43 |
| Premium | $4.65 | $18.29 | $36.58 |
| Diesel | $5.30 | $20.84 | $41.69 |
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.