How far is Flagg, IL from Markham, IL?
The driving distance from Flagg, IL to Markham, IL is about 94.4 miles (151.9 km), with a travel time of about 01h 35m by car.
- The straight-line flight distance is about 77.4 miles (124.6 km).
- For a round trip, plan for roughly 03h 11m 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 35m.
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 Illinois, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Rain
Driving Route Map
The map below follows the saved road route between Flagg and Markham.
Turn-by-Turn Driving Directions
Step-by-step road directions between Flagg and Markham.
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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
3.7 mi · 4 min · Ronald Reagan Memorial Tollway
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10
Take the exit slight right toward I 294 South, IL 38: Indiana
1692 ft · 41 sec
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11
Keep slight left
1 mi · 2 min
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12
Merge slight left onto Tri-State Tollway
3.6 mi · 5 min · Tri-State Tollway
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13
Keep slight right to continue on Tri-State Tollway
3.5 mi · 4 min · Tri-State Tollway
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14
Continue on Mile-Long Bridge
1.5 km · 1 min · Mile-Long Bridge
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15
Continue on Tri-State Tollway
14.1 mi · 18 min · Tri-State Tollway
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16
Take the exit slight right toward US 6: 159th Street
1517 ft · 37 sec
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17
Keep slight right to continue on US 6 West: 159th Street
2223 ft · 54 sec
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18
Turn straight onto West 159th Street
2159 ft · 57 sec · West 159th Street
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19
Turn left onto Kedzie Avenue
2728 ft · 1 min · Kedzie Avenue
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20
Turn right onto 163rd Street
20 m · 3 sec · 163rd Street
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21
Arrive at your destination
0 m · 1 sec · 163rd Street
Car Route Details
A richer read on the saved driving route between Flagg and Markham.
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.
Rain Showers leaving Flagg and Rain near Markham.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Flagg to Markham?
The road trip is about 94.4 miles (151.9 km) and usually takes 01h 35m 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?
North Aurora is a useful midpoint, sitting about 47.1 miles from Flagg and 47.2 miles from Markham.
How much longer is the road route than the straight-line distance?
The direct path is about 77.4 miles (124.6 km), while the road route adds roughly 17 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 3:18 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $15.53 one way or $31.07 round trip. Estimated CO2 is about 29.6 kg one way.
What should you check before leaving?
Before you leave, expect Rain Showers around Flagg and Rain near Markham.
Stop Ideas Near North Aurora
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 North Aurora.
Naperville
Plano
Joliet Transportation Center
La Grange Road
Flight Path Map
This map shows the direct air route between Flagg and Markham. Straight-line distance: 77.42 mi (124.6 km).
#1 Flagg
City in Illinois, United States of America
| Population | 12,745 |
| Coordinates | 41.8958600, -89.1409300 |
| Altitude | 238 |
| Country | United States |
#2 Markham
A city located in Cook County, Illinois.
| Population | 13,400 |
| Coordinates | 41.5936500, -87.6947700 |
| Altitude | 189 |
| Country | United States |
End: 163rd Street (-87.694771, 41.593508)
Estimated Travel Time
Distance: 152 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 08m |
| 40 mph (64.37 km/h) | 02h 21m |
| 50 mph (80.47 km/h) | 01h 53m |
| 60 mph (96.56 km/h) | 01h 34m |
| 70 mph (112.65 km/h) | 01h 20m |
| 80 mph (129 km/h) | 01h 10m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.67 | $15.53 | $31.07 |
| Mid-grade | $5.29 | $17.62 | $35.24 |
| Premium | $5.84 | $19.44 | $38.87 |
| Diesel | $6.57 | $21.88 | $43.76 |
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 · Oct 15, 2026