How far is Randolph, IL from Naperville, IL?

The driving distance from Randolph, IL to Naperville, IL is about 314.4 miles (505.9 km), with a travel time of about 05h 19m by car.

  • The straight-line flight distance is about 277.2 miles (446.1 km).
  • For a round trip, plan for roughly 10h 38m 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
314.36 mi
05h 19m
Flight
277.21 mi
446.12 km direct

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

Learn Distance

Choose another destination from Randolph.

Flight Distance

Direct air line
277.21 mi
Kilometers
446.12 km
Flight Time
00h 33m

Driving Distance

Road route
314.36 mi
Kilometers
505.92 km
Drive Time
05h 19m

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 05h 19m.

Arrival Snapshot
Arrive in Naperville
Sun, May 31, 5:38 AM CDT
Return by in Randolph
Sun, May 31, 10:57 AM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Randolph
2026-05-31T00:19
Arrive Naperville
Sun, May 31, 5:38 AM CDT
Route Timing
05h 19m
One way by road
Best Departure Window
6:00 AM to 8:00 AM CDT
Leave early for more breathing room
Arrive between
11:19 AM to 1:19 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
6:22 AM CDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Randolph
9:00 PM CDT
Early departure recommended

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.

Mid-route stop
Williamsville
IL

Village in the United States

From Randolph
162.5 mi
02h 39m
To Naperville
151.9 mi
02h 39m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
82°F
Sunday

Isolated Rain Showers then Isolated Showers And Thunderstorms

Starts
Sun, May 31 6:00 AM CDT
Wind
6 mph E
Destination
80°F
Sunday

Mostly Sunny

Starts
Sun, May 31 6:00 AM CDT
Wind
5 to 10 mph SE

Driving Route Map

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

Turn-by-Turn Driving Directions

Step-by-step road directions between Randolph and Naperville.

  1. 1

    Start on Wine Hill Road

    40 m · 5 sec · Wine Hill Road

  2. 2

    Turn left onto Chester Road

    1829 ft · 54 sec · Chester Road

  3. 3

    Turn left

    5.6 mi · 10 min

  4. 4

    Turn right onto East Holmes Street

    2470 ft · 32 sec · East Holmes Street

  5. 5

    Continue on Lehmen Drive

    7.8 mi · 9 min · Lehmen Drive

  6. 6

    Continue on South State Street

    17.7 mi · 23 min · South State Street

  7. 7

    Continue straight

    20.1 mi · 30 min

  8. 8

    Enter the roundabout and take exit 2 toward Illinois Street

    54 m · 4 sec · North Illinois Street

  9. 9

    Exit the rotary onto North Illinois Street

    9.8 mi · 15 min · North Illinois Street

  10. 10

    Continue on South Morrison Avenue

    1.3 mi · 2 min · South Morrison Avenue

  11. 11

    Continue on Vandalia Street

    2.8 mi · 5 min · Vandalia Street

  12. 12

    Take the ramp slight right toward I 55 North, I 70 East

    2235 ft · 55 sec

  13. 13

    Merge slight left

    3.8 mi · 4 min

  14. 14

    Keep slight left to continue on I 55 North, I 270 West: Chicago, Springfield, Kansas City

    107.9 mi · 1 hr 57 min

  15. 15

    Keep slight right to continue on I 55 North: Chicago

    29.4 mi · 31 min

  16. 16

    Keep slight left to continue on I 55 North, I 74 West: Chicago, Peoria

    107.1 mi · 1 hr 56 min

  17. 17

    Take the exit slight right toward Weber Road

    1556 ft · 44 sec

  18. 18

    Keep slight left

    71 m · 8 sec

  19. 19

    Turn straight onto Weber Road

    4.1 mi · 8 min · Weber Road

  20. 20

    Continue on Washington Street

    2489 ft · 56 sec · Washington Street

  21. 21

    Continue on South Washington Street

    5.3 mi · 12 min · South Washington Street

  22. 22

    Arrive at your destination

    0 m · 1 sec · North Washington Street

Car Route Details

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

OSRM road route
Drive Character

Long-distance drive

This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.

Directions
22 steps
6 turns on the saved route
Ramps & Exits
5
1 merges, 4 ramps or exits
Navigation Density
7 / 100 mi
Decision points by distance
Main Roads
I 55 North
249 mi · 79%
South State Street
37.9 mi · 12%
North Illinois Street
9.78 mi · 3%
Lehmen Drive
7.85 mi · 2%
South Washington Street
5.33 mi · 2%
Weber Road
4.4 mi · 1%
Longest Stretch

I 55 North

Keep slight left to continue on I 55 North, I 270 West: Chicago, Springfield, Kansas City

108 mi · 01h 57m

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
05h 19m
Long day trip
Same-Day Return
10h 38m
Round-trip wheel time
Road vs Air
+37.2 mi
277.2 mi direct line
Halfway Stop
Williamsville
02h 39m from Randolph
Leave By
6:22 AM CDT
Early departure recommended
Weather Watch

Isolated Rain Showers then Isolated Showers And Thunderstorms leaving Randolph and Mostly Sunny near Naperville.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Randolph to Naperville?

The road trip is about 314.4 miles (505.9 km) and usually takes 05h 19m 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?

Williamsville is a useful midpoint, sitting about 162.5 miles from Randolph and 151.9 miles from Naperville.

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

The direct path is about 277.2 miles (446.1 km), while the road route adds roughly 37.2 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 8:00 AM CDT. If you want a more comfortable same-day return, try to leave by 6:22 AM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $41.82 one way or $83.64 round trip. Estimated CO2 is about 98.6 kg one way.

What should you check before leaving?

Before you leave, expect Isolated Rain Showers then Isolated Showers And Thunderstorms around Randolph and Mostly Sunny near Naperville.

Stop Ideas Near Williamsville

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

Mid-route Guidance
Local place coverage is thin around Williamsville, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

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

RAIL

Springfield station

19 mi away
East Washington and North Third Sts.
RAIL

Lincoln

27 mi away
Broadway and North Chicago Sts.
RAIL

Uptown Station

78 mi away
100 East Parkinson St.
BUS

Peoria, Illinois

80 mi away
6100 West Everett M. Dirksen Parkway

Flight Path Map

This map shows the direct air route between Randolph and Naperville. Straight-line distance: 277.21 mi (446.12 km).

Photo coming soon

#1 Randolph

City in Illinois, United States

Population4,394
Coordinates37.9667200, -89.7498300
Altitude173
CountryUnited States
Naperville

#2 Naperville

The second most populous city in Illinois.

Population147,986
Coordinates41.7858600, -88.1472900
Altitude216
CountryUnited States
Start: Wine Hill Road (-89.749832, 37.966694)
End: North Washington Street (-88.147302, 41.785837)

Estimated Travel Time

Distance: 506 km by road

SpeedTime
30 mph (48.3 km/h)10h 28m
40 mph (64.37 km/h)07h 51m
50 mph (80.47 km/h)06h 17m
60 mph (96.56 km/h)05h 14m
70 mph (112.65 km/h)04h 29m
80 mph (129 km/h)03h 55m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
11.09 gal
41.99 L · about $41.82
Round trip
$83.64
22.18 gal · 83.98 L
Estimated CO2
98.6 kg one way
Round trip: 197.1 kg / 435 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $41.82 $83.64
Mid-grade $4.25 $47.17 $94.33
Premium $4.65 $51.61 $103.23
Diesel $5.30 $58.82 $117.64

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 31, 2026

There is no time difference between Randolph and Naperville. The current time is 00:19:29.

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.