How far is Markham, IL from Olney, IL?
The driving distance from Markham, IL to Olney, IL is about 223.4 miles (359.6 km), with a travel time of about 04h 28m by car.
- The straight-line flight distance is about 198.8 miles (320 km).
- For a round trip, plan for roughly 08h 57m 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 28m.
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 Markham and Olney.
Turn-by-Turn Driving Directions
Step-by-step road directions between Markham and Olney.
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1
Start on 163rd Street
20 m · 7 sec · 163rd Street
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2
Turn right onto Kedzie Avenue
2913 ft · 1 min · Kedzie Avenue
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3
Take the ramp slight right toward I 80 West
2482 ft · 1 min
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4
Merge slight left
2.3 mi · 3 min
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5
Take the exit slight left toward I 57 South: Memphis
1640 ft · 32 sec
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6
Merge slight right
155.1 mi · 2 hr 47 min
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7
Take the exit slight right toward IL 16 East: Charleston
1676 ft · 47 sec
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8
Turn straight onto Charleston Avenue East
1.2 km · 1 min · Charleston Avenue East
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9
Continue on Illinois Route 16
6 mi · 8 min · Illinois Route 16
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10
Continue on West Lincoln Avenue
1.8 mi · 3 min · West Lincoln Avenue
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11
Turn right onto 18th Street
1.6 mi · 2 min · 18th Street
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12
Continue on Illinois Route 130
1.2 km · 1 min · Illinois Route 130
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13
Continue on Route 130
10 mi · 15 min · Route 130
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14
Continue on County Road 1825 East
2 mi · 3 min · County Road 1825 East
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15
Continue on County Road 1775 E
1.3 km · 1 min · County Road 1775 E
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16
Continue on North Haughton Highway
1945 ft · 33 sec · North Haughton Highway
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17
Continue on 1700E
1.3 mi · 2 min · 1700E
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18
Continue on North Haughton Highway
4 mi · 6 min · North Haughton Highway
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19
Continue on County Road 1700E
2.1 mi · 3 min · County Road 1700E
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20
Continue on North 1250th Street
13.3 mi · 20 min · North 1250th Street
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21
Turn left onto South Van Buren Street
11 mi · 15 min · South Van Buren Street
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22
Continue on County Road 1100 East
6.7 mi · 9 min · County Road 1100 East
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23
Continue on North West Street
1.3 mi · 3 min · North West Street
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24
Turn left onto West Butler Street
2614 ft · 1 min · West Butler Street
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25
Turn right onto North Walnut Street
565 ft · 19 sec · North Walnut Street
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26
Arrive at your destination
0 m · 1 sec · South Walnut Street
Car Route Details
A richer read on the saved driving route between Markham and Olney.
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 South
Merge slight right
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 Markham and Showers And Thunderstorms near Olney.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Markham to Olney?
The road trip is about 223.4 miles (359.6 km) and usually takes 04h 28m 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 111.8 miles from Markham and 111.7 miles from Olney.
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 24.6 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 8:02 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $36.81 one way or $73.61 round trip. Estimated CO2 is about 70.1 kg one way.
What should you check before leaving?
Before you leave, expect Showers And Thunderstorms around Markham and Showers And Thunderstorms near Olney.
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 Markham and Olney. Straight-line distance: 198.87 mi (320.05 km).
#1 Markham
A city located in Cook County, Illinois.
| Population | 13,400 |
| Coordinates | 41.5936500, -87.6947700 |
| Altitude | 189 |
| Country | United States |
#2 Olney
City in Richland County, Illinois, United States of America
| Population | 8,667 |
| Coordinates | 38.7308800, -88.0853200 |
| Altitude | 146 |
| Country | United States |
End: Olney (-88.08532, 38.73088)
Estimated Travel Time
Distance: 360 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 07h 26m |
| 40 mph (64.37 km/h) | 05h 35m |
| 50 mph (80.47 km/h) | 04h 28m |
| 60 mph (96.56 km/h) | 03h 43m |
| 70 mph (112.65 km/h) | 03h 11m |
| 80 mph (129 km/h) | 02h 47m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.67 | $36.81 | $73.61 |
| Mid-grade | $5.29 | $41.75 | $83.51 |
| Premium | $5.84 | $46.05 | $92.11 |
| Diesel | $6.57 | $51.85 | $103.69 |
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 · Oct 15, 2026