How far is Wheaton, IL from Harrisburg, IL?
The driving distance from Wheaton, IL to Harrisburg, IL is about 346.6 miles (557.8 km), with a travel time of about 06h 39m by car.
- The straight-line flight distance is about 286.1 miles (460.5 km).
- For a round trip, plan for roughly 13h 19m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 7:30 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 06h 39m.
Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
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
Route Weather Snapshot
Check the forecast at both ends before you head out.
Showers And Thunderstorms
Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Wheaton and Harrisburg.
Turn-by-Turn Driving Directions
Step-by-step road directions between Wheaton and Harrisburg.
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1
Start on West Wesley Street
761 ft · 23 sec · West Wesley Street
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2
Turn left onto North Wheaton Avenue
142 m · 28 sec · North Wheaton Avenue
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3
Turn left onto West Front Street
897 ft · 31 sec · West Front Street
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4
Turn right onto South Main Street
2252 ft · 1 min · South Main Street
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5
Turn left onto East Roosevelt Road
906 ft · 26 sec · East Roosevelt Road
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6
Turn right onto South Naperville Road
3.9 mi · 7 min · South Naperville Road
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7
Take the ramp slight right toward I 88 Toll East: Chicago
1704 ft · 42 sec
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8
Merge slight left onto Ronald Reagan Memorial Tollway
3.1 mi · 4 min · Ronald Reagan Memorial Tollway
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9
Take the exit slight right toward I 355 Toll South: Joliet
1961 ft · 48 sec
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10
Keep slight left to continue on I 355 South: Joliet
2223 ft · 54 sec
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11
Merge slight left onto Veterans Memorial Tollway
19.4 mi · 22 min · Veterans Memorial Tollway
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12
Keep slight left to continue on I 80 East: Indiana
1.3 mi · 3 min
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13
Merge slight left
10.6 mi · 12 min
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14
Take the exit slight right toward I 57 South: Memphis
3222 ft · 1 min
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15
Merge slight left
186.7 mi · 3 hr 22 min
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16
Keep slight left to continue on I 57 South: Memphis
65.7 mi · 1 hr 11 min
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17
Keep slight right to continue on Ken Gray Expressway
20 mi · 22 min · Ken Gray Expressway
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18
Take the exit slight right toward IL 14: Christopher, Benton
1972 ft · 50 sec
-
19
Turn left onto West Main Street
1.4 km · 1 min · West Main Street
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20
Enter the roundabout and take exit 2 toward Public Square
115 m · 8 sec · East Main Street
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21
Exit the rotary onto East Main Street
32 mi · 49 min · East Main Street
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22
Turn right onto West Poplar Street
27 m · 2 sec · West Poplar Street
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23
Arrive at your destination
0 m · 1 sec · West Poplar Street
Car Route Details
A richer read on the saved driving route between Wheaton and Harrisburg.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
I 57 South
Merge slight left
187 mi · 03h 22m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
Better with a longer stop
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
Showers And Thunderstorms leaving Wheaton and Chance Showers And Thunderstorms near Harrisburg.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Wheaton to Harrisburg?
The road trip is about 346.6 miles (557.8 km) and usually takes 06h 39m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
What is the halfway point on this route?
Tuscola is a useful midpoint, sitting about 173.3 miles from Wheaton and 173.3 miles from Harrisburg.
How much longer is the road route than the straight-line distance?
The direct path is about 286.1 miles (460.5 km), while the road route adds roughly 60.5 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 7:30 AM CDT. Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $57.05 one way or $114.11 round trip. Estimated CO2 is about 108.7 kg one way.
What should you check before leaving?
Before you leave, expect Showers And Thunderstorms around Wheaton and Chance Showers And Thunderstorms near Harrisburg.
Stop Ideas Near Tuscola
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 Tuscola.
Illinois Terminal
Mattoon station
Rantoul
Danville, Illinois
Flight Path Map
This map shows the direct air route between Wheaton and Harrisburg. Straight-line distance: 286.13 mi (460.48 km).
#1 Wheaton
The most populous city in DuPage County, Illinois.
| Population | 52,451 |
| Coordinates | 41.8661400, -88.1070100 |
| Altitude | 231 |
| Country | United States |
#2 Harrisburg
County seat of Saline County, Illinois, United States
| Population | 8,404 |
| Coordinates | 37.7383800, -88.5406100 |
| Altitude | 121 |
| Country | United States |
End: Harrisburg (-88.54061, 37.73838)
Estimated Travel Time
Distance: 558 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 11h 32m |
| 40 mph (64.37 km/h) | 08h 39m |
| 50 mph (80.47 km/h) | 06h 55m |
| 60 mph (96.56 km/h) | 05h 46m |
| 70 mph (112.65 km/h) | 04h 57m |
| 80 mph (129 km/h) | 04h 19m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.67 | $57.05 | $114.11 |
| Mid-grade | $5.29 | $64.72 | $129.44 |
| Premium | $5.84 | $71.39 | $142.77 |
| Diesel | $6.57 | $80.36 | $160.73 |
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