How far is Naperville, IL from Royalton, IL?
The driving distance from Naperville, IL to Royalton, IL is about 327.1 miles (526.4 km), with a travel time of about 06h 09m by car.
- The straight-line flight distance is about 274.9 miles (442.4 km).
- For a round trip, plan for roughly 12h 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 09m.
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.
Showers And Thunderstorms
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Naperville and Royalton.
Turn-by-Turn Driving Directions
Step-by-step road directions between Naperville and Royalton.
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1
Start on North Washington Street
15 m · 9 sec · North Washington Street
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2
Turn left onto East Ogden Avenue
5 mi · 10 min · East Ogden Avenue
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3
Take the ramp right toward I 355 Toll South: Joliet
1189 ft · 29 sec
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4
Merge slight left onto Veterans Memorial Tollway
19.2 mi · 22 min · Veterans Memorial Tollway
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5
Keep slight left to continue on I 80 East: Indiana
1.3 mi · 3 min
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6
Merge slight left
10.6 mi · 12 min
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7
Take the exit slight right toward I 57 South: Memphis
3222 ft · 1 min
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8
Merge slight left
186.7 mi · 3 hr 22 min
-
9
Keep slight left to continue on I 57 South: Memphis
65.7 mi · 1 hr 11 min
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10
Keep slight right to continue on Ken Gray Expressway
27.1 mi · 29 min · Ken Gray Expressway
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11
Take the exit slight right toward IL 149: West Frankfort, Zeigler
1302 ft · 32 sec
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12
Turn right onto Illinois Route 149
1383 ft · 29 sec · Illinois Route 149
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13
Enter the roundabout and take exit 2 toward Illinois Route 149
29 m · 2 sec · Illinois Route 149
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14
Exit the roundabout onto Illinois Route 149
5.5 mi · 10 min · Illinois Route 149
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15
Continue on Linden Street
2231 ft · 50 sec · Linden Street
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16
Turn left onto South Main Street
3.3 mi · 6 min · South Main Street
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17
Enter the roundabout and take exit 2 toward the route
57 m · 4 sec
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18
Exit the roundabout
1 mi · 2 min
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19
Turn right onto 3rd South Street
21 m · 1 sec · 3rd South Street
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20
Arrive at your destination
0 m · 1 sec · 3rd South Street
Car Route Details
A richer read on the saved driving route between Naperville and Royalton.
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 Naperville and Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms near Royalton.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Naperville to Royalton?
The road trip is about 327.1 miles (526.4 km) and usually takes 06h 09m 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 163.6 miles from Naperville and 163.4 miles from Royalton.
How much longer is the road route than the straight-line distance?
The direct path is about 274.9 miles (442.4 km), while the road route adds roughly 52.2 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 $43.52 one way or $87.03 round trip. Estimated CO2 is about 102.6 kg one way.
What should you check before leaving?
Before you leave, expect Showers And Thunderstorms around Naperville and Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms near Royalton.
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 Naperville and Royalton. Straight-line distance: 274.9 mi (442.41 km).
#1 Naperville
The second most populous city in Illinois.
| Population | 147,986 |
| Coordinates | 41.7858600, -88.1472900 |
| Altitude | 216 |
| Country | United States |
#2 Royalton
City in Minnesota
| Population | 1,110 |
| Coordinates | 37.8769900, -89.1145200 |
| Altitude | 120 |
| Country | United States |
End: Royalton (-89.11452, 37.87699)
Estimated Travel Time
Distance: 526 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 10h 53m |
| 40 mph (64.37 km/h) | 08h 10m |
| 50 mph (80.47 km/h) | 06h 32m |
| 60 mph (96.56 km/h) | 05h 27m |
| 70 mph (112.65 km/h) | 04h 40m |
| 80 mph (129 km/h) | 04h 04m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $43.52 | $87.03 |
| Mid-grade | $4.25 | $49.08 | $98.16 |
| Premium | $4.65 | $53.71 | $107.41 |
| Diesel | $5.30 | $61.21 | $122.42 |
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 16, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.