How far is Olney, IL from Markham, IL?
The driving distance from Olney, IL to Markham, IL is about 232.3 miles (373.8 km), with a travel time of about 03h 52m by car.
- The straight-line flight distance is about 198.8 miles (320 km).
- For a round trip, plan for roughly 07h 45m 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 03h 52m.
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.
The most populous city in Champaign County, Illinois.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Showers And Thunderstorms
Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Olney and Markham.
Turn-by-Turn Driving Directions
Step-by-step road directions between Olney and Markham.
-
1
Start on South Walnut Street
47 m · 8 sec · South Walnut Street
-
2
Turn right onto West Market Street
68 m · 12 sec · West Market Street
-
3
Turn right onto South Kitchell Street
72 m · 16 sec · South Kitchell Street
-
4
Turn left onto West Main Street
2340 ft · 1 min · West Main Street
-
5
Turn right onto North West Street
1.4 mi · 3 min · North West Street
-
6
Continue on County Road 1100 East
6.7 mi · 9 min · County Road 1100 East
-
7
Continue on South Van Buren Street
11 mi · 15 min · South Van Buren Street
-
8
Turn right
36.3 mi · 54 min
-
9
Turn left onto Lincoln Avenue
2.5 mi · 4 min · Lincoln Avenue
-
10
Continue on Illinois Route 16
5.3 mi · 7 min · Illinois Route 16
-
11
Continue on Charleston Avenue East
2035 ft · 39 sec · Charleston Avenue East
-
12
Take the ramp slight right toward I-57 North: Champaign
2575 ft · 1 min
-
13
Merge slight left
154.7 mi · 2 hr 47 min
-
14
Take the exit slight right toward I 80 East: Indiana
2657 ft · 50 sec
-
15
Merge slight left
2.2 mi · 3 min
-
16
Take the exit slight right toward Kedzie Avenue
1232 ft · 33 sec
-
17
Turn left onto Kedzie Avenue
1.3 km · 2 min · Kedzie Avenue
-
18
Turn left onto 163rd Street
20 m · 3 sec · 163rd Street
-
19
Arrive at your destination
0 m · 1 sec · 163rd Street
Car Route Details
A richer read on the saved driving route between Olney 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-57 North
Merge slight left
155 mi · 02h 47m
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.
Showers And Thunderstorms leaving Olney and Showers And Thunderstorms near Markham.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Olney to Markham?
The road trip is about 232.3 miles (373.8 km) and usually takes 03h 52m 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?
Champaign is a useful midpoint, sitting about 111.6 miles from Olney and 120.7 miles from Markham.
How much longer is the road route than the straight-line distance?
The direct path is about 198.8 miles (320 km), while the road route adds roughly 33.5 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 9:14 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $38.25 one way or $76.51 round trip. Estimated CO2 is about 72.9 kg one way.
What should you check before leaving?
Before you leave, expect Showers And Thunderstorms around Olney and Showers And Thunderstorms near Markham.
Stop Ideas Near Champaign
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 Champaign.
Illinois Terminal
Rantoul
Danville, Illinois
Mattoon station
Flight Path Map
This map shows the direct air route between Olney and Markham. Straight-line distance: 198.87 mi (320.05 km).
#1 Olney
City in Richland County, Illinois, United States of America
| Population | 8,667 |
| Coordinates | 38.7308800, -88.0853200 |
| Altitude | 146 |
| 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: 374 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 07h 44m |
| 40 mph (64.37 km/h) | 05h 48m |
| 50 mph (80.47 km/h) | 04h 38m |
| 60 mph (96.56 km/h) | 03h 52m |
| 70 mph (112.65 km/h) | 03h 19m |
| 80 mph (129 km/h) | 02h 53m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.67 | $38.25 | $76.51 |
| Mid-grade | $5.29 | $43.39 | $86.79 |
| Premium | $5.84 | $47.86 | $95.73 |
| Diesel | $6.57 | $53.88 | $107.76 |
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