How far is Wheaton, IL from Johnston City, IL?
The driving distance from Wheaton, IL to Johnston City, IL is about 327.7 miles (527.4 km), with a travel time of about 06h 06m by car.
- The straight-line flight distance is about 282.9 miles (455.3 km).
- For a round trip, plan for roughly 12h 12m 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 06m.
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.
Township in Champaign County, Illinois
Route Weather Snapshot
Check the forecast at both ends before you head out.
Rain Showers
Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Wheaton and Johnston City.
Turn-by-Turn Driving Directions
Step-by-step road directions between Wheaton and Johnston City.
-
1
Start on West Wesley Street
761 ft · 23 sec · West Wesley Street
-
2
Turn left onto North Wheaton Avenue
142 m · 28 sec · North Wheaton Avenue
-
3
Turn left onto West Front Street
897 ft · 31 sec · West Front Street
-
4
Turn right onto South Main Street
2252 ft · 1 min · South Main Street
-
5
Turn left onto East Roosevelt Road
906 ft · 26 sec · East Roosevelt Road
-
6
Turn right onto South Naperville Road
3.9 mi · 7 min · South Naperville Road
-
7
Take the ramp slight right toward I 88 Toll East: Chicago
1704 ft · 42 sec
-
8
Merge slight left onto Ronald Reagan Memorial Tollway
3.1 mi · 4 min · Ronald Reagan Memorial Tollway
-
9
Take the exit slight right toward I 355 Toll South: Joliet
1961 ft · 48 sec
-
10
Keep slight left to continue on I 355 South: Joliet
2223 ft · 54 sec
-
11
Merge slight left onto Veterans Memorial Tollway
19.4 mi · 22 min · Veterans Memorial Tollway
-
12
Keep slight left to continue on I 80 East: Indiana
1.3 mi · 3 min
-
13
Merge slight left
10.6 mi · 12 min
-
14
Take the exit slight right toward I 57 South: Memphis
3222 ft · 1 min
-
15
Merge slight left
186.7 mi · 3 hr 22 min
-
16
Keep slight left to continue on I 57 South: Memphis
65.7 mi · 1 hr 11 min
-
17
Keep slight right to continue on Ken Gray Expressway
32.7 mi · 35 min · Ken Gray Expressway
-
18
Take the exit slight right toward Johnston City, Herrin
1506 ft · 42 sec
-
19
Turn left onto Herrin Road
1115 ft · 19 sec · Herrin Road
-
20
Continue on West Broadway Boulevard
1.6 km · 2 min · West Broadway Boulevard
-
21
Turn left onto Washington Avenue
808 ft · 41 sec · Washington Avenue
-
22
At the end of the road, turn left onto East 9th Street
15 m · 4 sec · East 9th Street
-
23
Turn right onto Washington Avenue
620 ft · 27 sec · Washington Avenue
-
24
Arrive at your destination
0 m · 1 sec · Washington Avenue
Car Route Details
A richer read on the saved driving route between Wheaton and Johnston City.
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.
Rain Showers leaving Wheaton and Chance Showers And Thunderstorms near Johnston City.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Wheaton to Johnston City?
The road trip is about 327.7 miles (527.4 km) and usually takes 06h 06m 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?
Pesotum is a useful midpoint, sitting about 163.9 miles from Wheaton and 163.8 miles from Johnston City.
How much longer is the road route than the straight-line distance?
The direct path is about 282.9 miles (455.3 km), while the road route adds roughly 44.8 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 $53.93 one way or $107.85 round trip. Estimated CO2 is about 102.7 kg one way.
What should you check before leaving?
Before you leave, expect Rain Showers around Wheaton and Chance Showers And Thunderstorms near Johnston City.
Stop Ideas Near Pesotum
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 Pesotum.
Illinois Terminal
Rantoul
Mattoon station
Danville, Illinois
Flight Path Map
This map shows the direct air route between Wheaton and Johnston City. Straight-line distance: 282.89 mi (455.26 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 Johnston City
City in Illinois, United States
| Population | 3,389 |
| Coordinates | 37.8206100, -88.9275700 |
| Altitude | 130 |
| Country | United States |
End: Johnston City (-88.92757, 37.82061)
Estimated Travel Time
Distance: 527 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 10h 55m |
| 40 mph (64.37 km/h) | 08h 11m |
| 50 mph (80.47 km/h) | 06h 33m |
| 60 mph (96.56 km/h) | 05h 27m |
| 70 mph (112.65 km/h) | 04h 40m |
| 80 mph (129 km/h) | 04h 05m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.67 | $53.93 | $107.85 |
| Mid-grade | $5.29 | $61.18 | $122.35 |
| Premium | $5.84 | $67.48 | $134.95 |
| Diesel | $6.57 | $75.96 | $151.92 |
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