How far is Pontiac, IL from Markham, IL?
The driving distance from Pontiac, IL to Markham, IL is about 279.8 miles (450.3 km), with a travel time of about 04h 10m by car.
- The straight-line flight distance is about 240.4 miles (386.9 km).
- For a round trip, plan for roughly 08h 21m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM CDT.
Reverse, save, or send this route
This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.
This drive is better planned with a longer stop or an overnight stay.
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 04h 10m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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.
Village in McLean County, Illinois, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Showers And Thunderstorms
Rain
Driving Route Map
The map below follows the saved road route between Pontiac and Markham.
Turn-by-Turn Driving Directions
Step-by-step road directions between Pontiac and Markham.
-
1
Start on the route
4 m · 3 sec
-
2
Turn right onto North Illinois Street
4.7 mi · 7 min · North Illinois Street
-
3
Continue on South Morrison Avenue
1.3 mi · 2 min · South Morrison Avenue
-
4
Continue on Vandalia Street
2.8 mi · 5 min · Vandalia Street
-
5
Take the ramp slight right toward I 55 North, I 70 East
2235 ft · 55 sec
-
6
Merge slight left
3.8 mi · 4 min
-
7
Keep slight left to continue on I 55 North, I 270 West: Chicago, Springfield, Kansas City
107.9 mi · 1 hr 57 min
-
8
Keep slight right to continue on I 55 North: Chicago
29.4 mi · 31 min
-
9
Keep slight left to continue on I 55 North, I 74 West: Chicago, Peoria
93.9 mi · 1 hr 41 min
-
10
Take the exit slight right toward I 80 East: Indiana
1.2 km · 1 min
-
11
Merge slight left
27.6 mi · 34 min
-
12
Take the exit slight right toward Kedzie Avenue
1232 ft · 33 sec
-
13
Turn left onto Kedzie Avenue
1.3 km · 2 min · Kedzie Avenue
-
14
Turn left onto 163rd Street
20 m · 3 sec · 163rd Street
-
15
Arrive at your destination
0 m · 1 sec · 163rd Street
Car Route Details
A richer read on the saved driving route between Pontiac 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 55 North
Keep slight left to continue on I 55 North, I 270 West: Chicago, Springfield, Kansas City
108 mi · 01h 57m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A longer out-and-back drive
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
Chance Showers And Thunderstorms leaving Pontiac and Rain near Markham.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Pontiac to Markham?
The road trip is about 279.8 miles (450.3 km) and usually takes 04h 10m in normal driving conditions.
Is this a same-day trip or an overnight route?
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
What is the halfway point on this route?
McLean is a useful midpoint, sitting about 136.7 miles from Pontiac and 143 miles from Markham.
How much longer is the road route than the straight-line distance?
The direct path is about 240.4 miles (386.9 km), while the road route adds roughly 39.4 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 6:00 AM to 8:00 AM CDT. If you want a more comfortable same-day return, try to leave by 8:38 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $46.04 one way or $92.09 round trip. Estimated CO2 is about 87.7 kg one way.
What should you check before leaving?
Before you leave, expect Chance Showers And Thunderstorms around Pontiac and Rain near Markham.
Stop Ideas Near McLean
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Route 66 Original Alignment- Driveable!
City of Lincoln
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to McLean.
Lincoln
Uptown Station
Peoria, Illinois
Springfield station
Flight Path Map
This map shows the direct air route between Pontiac and Markham. Straight-line distance: 240.4 mi (386.88 km).
#1 Pontiac
City in Illinois, USA
| Population | 11,176 |
| Coordinates | 38.5872700, -89.9848300 |
| Altitude | 176 |
| 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: 450 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 09h 19m |
| 40 mph (64.37 km/h) | 06h 59m |
| 50 mph (80.47 km/h) | 05h 35m |
| 60 mph (96.56 km/h) | 04h 39m |
| 70 mph (112.65 km/h) | 03h 59m |
| 80 mph (129 km/h) | 03h 29m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.67 | $46.04 | $92.09 |
| Mid-grade | $5.29 | $52.23 | $104.46 |
| Premium | $5.84 | $57.61 | $115.22 |
| Diesel | $6.57 | $64.86 | $129.71 |
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