How far is Saint Elmo, IL from Naperville, IL?
The driving distance from Saint Elmo, IL to Naperville, IL is about 242.5 miles (390.2 km), with a travel time of about 03h 50m by car.
- The straight-line flight distance is about 194.1 miles (312.4 km).
- For a round trip, plan for roughly 07h 41m 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 50m.
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.
Human settlement in Illinois, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Driving Route Map
The map below follows the saved road route between Saint Elmo and Naperville.
Turn-by-Turn Driving Directions
Step-by-step road directions between Saint Elmo and Naperville.
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1
Start on East 4th Street
44 m · 12 sec · East 4th Street
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2
Turn left onto North Main Street
1254 ft · 56 sec · North Main Street
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3
Turn right onto East Cumberland Road
2709 ft · 57 sec · East Cumberland Road
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4
Turn left onto Interstate Drive
1.3 km · 2 min · Interstate Drive
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5
Take the ramp left toward I-70 East: Effingham
1329 ft · 32 sec
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6
Merge slight left
21.7 mi · 24 min
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7
Keep slight left to continue on I 57 North: Chicago
154.9 mi · 2 hr 46 min
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8
Take the exit slight right toward Bourbonnais Parkway
2050 ft · 42 sec
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9
Turn left onto Bourbonnais Parkway
3273 ft · 1 min · Bourbonnais Parkway
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10
Turn right
18.2 mi · 26 min
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11
Turn left onto West Steger Road
1196 ft · 55 sec · West Steger Road
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12
Turn right onto Wolf Road
2.3 mi · 4 min · Wolf Road
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13
Turn left onto Lincoln Highway
3.8 mi · 6 min · Lincoln Highway
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14
Continue on East Maple Street
1471 ft · 27 sec · East Maple Street
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15
Continue on West Lincoln Highway
135 m · 10 sec · West Lincoln Highway
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16
Turn right onto North Cedar Road
2.4 mi · 6 min · North Cedar Road
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17
Turn left onto Maple Road
1060 ft · 18 sec · Maple Road
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18
Take the ramp slight right toward I 355 Toll North: West Suburbs
3244 ft · 57 sec
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19
Merge slight left onto Veterans Memorial Tollway
18.1 mi · 21 min · Veterans Memorial Tollway
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20
Take the exit slight right toward US 34: Ogden Avenue
1604 ft · 39 sec
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21
Keep slight left to continue on US 34: Lisle
23 m · 4 sec
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22
Turn left onto East Ogden Avenue
5.1 mi · 11 min · East Ogden Avenue
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23
Turn right onto North Washington Street
15 m · 1 sec · North Washington Street
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24
Arrive at your destination
0 m · 1 sec · North Washington Street
Car Route Details
A richer read on the saved driving route between Saint Elmo and Naperville.
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
Keep slight left to continue on I 57 North: Chicago
155 mi · 02h 46m
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.
Sunny leaving Saint Elmo and Sunny near Naperville.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Saint Elmo to Naperville?
The road trip is about 242.5 miles (390.2 km) and usually takes 03h 50m 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?
Ludlow is a useful midpoint, sitting about 115.6 miles from Saint Elmo and 126.9 miles from Naperville.
How much longer is the road route than the straight-line distance?
The direct path is about 194.1 miles (312.4 km), while the road route adds roughly 48.4 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 9:18 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $32.24 one way or $64.48 round trip. Estimated CO2 is about 76 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Saint Elmo and Sunny near Naperville.
Stop Ideas Near Ludlow
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 Ludlow.
Rantoul
Illinois Terminal
Gilman
Danville, Illinois
Flight Path Map
This map shows the direct air route between Saint Elmo and Naperville. Straight-line distance: 194.13 mi (312.42 km).
#1 Saint Elmo
City in Illinois
| Population | 1,367 |
| Coordinates | 39.0272700, -88.8481100 |
| Altitude | 189 |
| Country | United States |
#2 Naperville
The second most populous city in Illinois.
| Population | 147,986 |
| Coordinates | 41.7858600, -88.1472900 |
| Altitude | 216 |
| Country | United States |
End: North Washington Street (-88.147302, 41.785837)
Estimated Travel Time
Distance: 390 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 08h 04m |
| 40 mph (64.37 km/h) | 06h 03m |
| 50 mph (80.47 km/h) | 04h 50m |
| 60 mph (96.56 km/h) | 04h 02m |
| 70 mph (112.65 km/h) | 03h 27m |
| 80 mph (129 km/h) | 03h 01m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $32.24 | $64.48 |
| Mid-grade | $4.25 | $36.36 | $72.73 |
| Premium | $4.65 | $39.79 | $79.58 |
| Diesel | $5.30 | $45.35 | $90.70 |
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 · Apr 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.