How far is Naperville, IL from Mount Sterling, IL?

The driving distance from Naperville, IL to Mount Sterling, IL is about 231.4 miles (372.4 km), with a travel time of about 04h 52m by car.

  • The straight-line flight distance is about 184.7 miles (297.2 km).
  • For a round trip, plan for roughly 09h 44m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 8:00 AM CDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
231.37 mi
04h 52m
Flight
184.69 mi
297.23 km direct

This drive is better planned with a longer stop or an overnight stay.

Learn Distance

Choose another destination from Naperville.

Flight Distance

Direct air line
184.69 mi
Kilometers
297.23 km
Flight Time
00h 22m

Driving Distance

Road route
231.37 mi
Kilometers
372.36 km
Drive Time
04h 52m

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 52m.

Arrival Snapshot
Arrive in Mount Sterling
Tue, May 26, 12:23 PM CDT
Return by in Naperville
Tue, May 26, 5:15 PM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Naperville
2026-05-26T07:31
Arrive Mount Sterling
Tue, May 26, 12:23 PM CDT
Route Timing
04h 52m
One way by road
Best Departure Window
6:00 AM to 8:00 AM CDT
Leave early for more breathing room
Arrive between
10:52 AM to 12:52 PM CDT

An early departure helps you fit a real stop into the day without turning the return into a late-night drive.

Leave by
7:16 AM CDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Naperville
9:00 PM CDT
Early departure recommended

This departure sits inside the recommended comfort window for the route.

Halfway Point

A useful midpoint for breaks, coffee, or meeting in the middle.

Mid-route stop
Carlock
IL

Human settlement in Illinois, United States of America

From Naperville
115.6 mi
02h 26m
To Mount Sterling
115.8 mi
02h 26m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
86°F
Tuesday

Mostly Sunny

Starts
Tue, May 26 6:00 AM CDT
Wind
0 to 10 mph SE
Destination
82°F
Tuesday

Mostly Sunny

Starts
Tue, May 26 6:00 AM CDT
Wind
5 to 8 mph E

Driving Route Map

The map below follows the saved road route between Naperville and Mount Sterling.

Turn-by-Turn Driving Directions

Step-by-step road directions between Naperville and Mount Sterling.

  1. 1

    Start on North Washington Street

    5.3 mi · 12 min · North Washington Street

  2. 2

    Turn right onto Washington Street

    2580 ft · 51 sec · Washington Street

  3. 3

    Continue on Weber Road

    3.9 mi · 7 min · Weber Road

  4. 4

    Take the ramp slight right toward I 55 South: Bloomington

    1902 ft · 49 sec

  5. 5

    Merge slight left

    99.5 mi · 1 hr 48 min

  6. 6

    Take the exit slight right toward I 74 West: Peoria

    2888 ft · 49 sec

  7. 7

    Continue straight

    27.4 mi · 29 min

  8. 8

    Keep slight left to continue on I 474 West: Moline, Rock Island

    7.9 mi · 8 min

  9. 9

    Take the exit slight right toward US 24 West: Bartonville

    19.6 mi · 25 min

  10. 10

    Turn left

    39 m · 5 sec

  11. 11

    Continue on West Valley View Drive

    1061 ft · 18 sec · West Valley View Drive

  12. 12

    Continue on United States Highway 24

    16.9 mi · 25 min · United States Highway 24

  13. 13

    Turn left onto South Main Street

    4.6 mi · 7 min · South Main Street

  14. 14

    Continue straight

    28.4 mi · 42 min

  15. 15

    Turn right onto West Clinton Street

    16.2 mi · 24 min · West Clinton Street

  16. 16

    Turn right

    107 m · 21 sec

  17. 17

    Turn left onto East North Street

    15 m · 4 sec · East North Street

  18. 18

    Turn right onto East Court Street

    104 m · 17 sec · East Court Street

  19. 19

    Turn right onto East Washington Street

    2 m · 1 sec · East Washington Street

  20. 20

    Arrive at your destination

    0 m · 1 sec · East Washington Street

Car Route Details

A richer read on the saved driving route between Naperville and Mount Sterling.

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
20 steps
8 turns on the saved route
Ramps & Exits
4
1 merges, 3 ramps or exits
Navigation Density
8.6 / 100 mi
Decision points by distance
Main Roads
I 55 South
99.8 mi · 43%
South Main Street
33 mi · 14%
I 74 West
28 mi · 12%
US 24 West
19.6 mi · 8%
United States Highway 24
16.9 mi · 7%
West Clinton Street
16.2 mi · 7%
Longest Stretch

I 55 South

Merge slight left

99.5 mi · 01h 48m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

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.

Drive Time
04h 52m
Long day trip
Same-Day Return
09h 44m
Round-trip wheel time
Road vs Air
+46.7 mi
184.7 mi direct line
Halfway Stop
Carlock
02h 26m from Naperville
Leave By
7:16 AM CDT
Early departure recommended
Weather Watch

Mostly Sunny leaving Naperville and Mostly Sunny near Mount Sterling.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Naperville to Mount Sterling?

The road trip is about 231.4 miles (372.4 km) and usually takes 04h 52m 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?

Carlock is a useful midpoint, sitting about 115.6 miles from Naperville and 115.8 miles from Mount Sterling.

How much longer is the road route than the straight-line distance?

The direct path is about 184.7 miles (297.2 km), while the road route adds roughly 46.7 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 7:16 AM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $30.81 one way or $61.62 round trip. Estimated CO2 is about 72.6 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Sunny around Naperville and Mostly Sunny near Mount Sterling.

Stop Ideas Near Carlock

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
These suggestions come from reviewed places and nearby services around Carlock and the surrounding midpoint area.
Stop photo coming soon
Scenic stop 8.3 mi away

City Hall - Town of Normal

Normal , IL
11 Uptown Circle, Normal, IL 61761
Parking lot
City of Bloomington, Illinois
Meeting point 9.3 mi away

City of Bloomington, Illinois

Bloomington , IL
109 E Olive St, Bloomington, IL 61701
Rating 3.6/5 8 reviews City government office
Stop photo coming soon
Nearby stop 9.3 mi away

Bloomington Finance Department

Bloomington , IL
109 E Olive St, Bloomington, IL 61701
City tax office
Stop photo coming soon
Scenic stop 14.5 mi away

Allentown City Hall

Tremont , IL
15881 Uhlman Rd, Tremont, IL 61568
Historical landmark

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Carlock.

RAIL

Uptown Station

15 mi away
100 East Parkinson St.
BUS

Peoria, Illinois

48 mi away
6100 West Everett M. Dirksen Parkway
RAIL

Lincoln

52 mi away
Broadway and North Chicago Sts.
RAIL

Pontiac station

53 mi away
721 West Washington St.

Flight Path Map

This map shows the direct air route between Naperville and Mount Sterling. Straight-line distance: 184.69 mi (297.23 km).

Naperville

#1 Naperville

The second most populous city in Illinois.

Population147,986
Coordinates41.7858600, -88.1472900
Altitude216
CountryUnited States
Mount Sterling

#2 Mount Sterling

Township in Brown County, Illinois

Population2,495
Coordinates39.9872700, -90.7634600
Altitude221
CountryUnited States
Start: Naperville (-88.14729, 41.78586)
End: Mount Sterling (-90.76346, 39.98727)

Estimated Travel Time

Distance: 372 km by road

SpeedTime
30 mph (48.3 km/h)07h 42m
40 mph (64.37 km/h)05h 47m
50 mph (80.47 km/h)04h 37m
60 mph (96.56 km/h)03h 51m
70 mph (112.65 km/h)03h 18m
80 mph (129 km/h)02h 53m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
8.17 gal
30.91 L · about $30.81
Round trip
$61.62
16.34 gal · 61.82 L
Estimated CO2
72.6 kg one way
Round trip: 145.2 kg / 320 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $30.81 $61.62
Mid-grade $4.25 $34.75 $69.49
Premium $4.65 $38.02 $76.05
Diesel $5.30 $43.33 $86.67

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 · May 26, 2026

There is no time difference between Naperville and Mount Sterling. The current time is 07:31:07.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.