How far is Custer, IL from Markham, IL?
The driving distance from Custer, IL to Markham, IL is about 106.6 miles (171.6 km), with a travel time of about 01h 43m by car.
- The straight-line flight distance is about 84.9 miles (136.6 km).
- For a round trip, plan for roughly 03h 27m 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 43m.
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.
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 Custer and Markham.
Turn-by-Turn Driving Directions
Step-by-step road directions between Custer and Markham.
-
1
Start on County Road 2500 East
2654 ft · 2 min · County Road 2500 East
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2
Turn left onto 700 North Road
5.6 mi · 8 min · 700 North Road
-
3
Take the ramp slight left
1749 ft · 43 sec
-
4
Merge slight left
23.2 mi · 25 min
-
5
Take the exit slight right toward I 80 East: Chicago
1 km · 57 sec
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6
Merge slight left
75.4 mi · 1 hr 25 min
-
7
Take the exit slight right toward Kedzie Avenue
1232 ft · 33 sec
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8
Turn left onto Kedzie Avenue
1.3 km · 2 min · Kedzie Avenue
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9
Turn left onto 163rd Street
20 m · 3 sec · 163rd Street
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10
Arrive at your destination
0 m · 1 sec · 163rd Street
Car Route Details
A richer read on the saved driving route between Custer and Markham.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
I 80 East
Merge slight left
75.4 mi · 01h 25m
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 Custer and Mostly Sunny near Markham.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Custer to Markham?
The road trip is about 106.6 miles (171.6 km) and usually takes 01h 43m 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?
Seneca is a useful midpoint, sitting about 53.3 miles from Custer and 53.4 miles from Markham.
How much longer is the road route than the straight-line distance?
The direct path is about 84.9 miles (136.6 km), while the road route adds roughly 21.7 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 3:02 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $14.18 one way or $28.36 round trip. Estimated CO2 is about 33.4 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Custer and Mostly Sunny near Markham.
Stop Ideas Near Seneca
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 Seneca.
Dwight station
Plano
Pontiac station
Joliet Transportation Center
Flight Path Map
This map shows the direct air route between Custer and Markham. Straight-line distance: 84.91 mi (136.65 km).
#1 Custer
Settlement in Sangamon County, Illinois
| Population | 1,341 |
| Coordinates | 41.0372600, -89.1536900 |
| Altitude | 211 |
| 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: 172 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 33m |
| 40 mph (64.37 km/h) | 02h 39m |
| 50 mph (80.47 km/h) | 02h 07m |
| 60 mph (96.56 km/h) | 01h 46m |
| 70 mph (112.65 km/h) | 01h 31m |
| 80 mph (129 km/h) | 01h 19m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $14.18 | $28.36 |
| Mid-grade | $4.25 | $15.99 | $31.98 |
| Premium | $4.65 | $17.50 | $35.00 |
| Diesel | $5.30 | $19.94 | $39.89 |
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.