Naperville to DeKalb is 36.7 miles and takes about 47 minutes via Ronald Reagan Memorial Tollway and surface roads, with a fuel budget near $5 and enough daylight to finish in a day. This short trip stays within Illinois, connecting two Midwest communities. Expect a straightforward drive that primarily utilizes surface roads, making it a simple and quick transit. Given its brevity, this route is ideal for a same-day excursion with minimal planning required.
Main Roads
Road
Distance
Duration
Ronald Reagan Memorial Tollway
30.4 mi
33m
East Lincoln Highway
1.5 mi
3m
Peace Road
1.4 mi
2m
Mill Street
1.1 mi
2m
West Diehl Road
0.6 mi
1m
Winfield Road
0.4 mi
<1m
West Ogden Avenue
0.4 mi
<1m
North Washington Street
<0.1 mi
<1m
Longest stretch:
Ronald Reagan Memorial Tollway
— 30.4 mi, about 33m
Turn-by-Turn Driving Directions
Step-by-step road directions between Naperville, IL and DeKalb, IL.
1
Start on North Washington Street
50 ft·5 sec·North Washington Street
2
Turn right onto US 34
0.4 mi·45 sec·West Ogden Avenue
3
Turn right onto Mill Street
1.1 mi·2 min·Mill Street
4
Turn left onto West Diehl Road
0.6 mi·1 min·West Diehl Road
Use the left lane.
5
Turn right onto Winfield Road
0.4 mi·59 sec·Winfield Road
6
Take the ramp
0.4 mi·50 sec
Toward I 88 West: AuroraUse the left lane.
7
Merge onto I 88; IL 110
11 mi·12 min·Ronald Reagan Memorial Tollway
Use the straight / slight right lanes.
8
Keep slight left at fork onto I 88; IL 110
19 mi·20 min·Ronald Reagan Memorial Tollway
Toward I 88 Toll West, IL 47: DeKalb
9
Take the exit
0.4 mi·49 sec
Exit 94Toward Peace RoadUse the straight / slight right lanes.
10
Turn right onto Peace Road
1.4 mi·2 min·Peace Road
11
Turn left onto IL 38
1.5 mi·3 min·East Lincoln Highway
12
Arrive at destination
IL 38
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
The midpoint is around 18.3 miles from Naperville, IL, which is a good place for a longer meal and fuel stop.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
Heads-up: tricky spots
5 of 8
5 decision points cluster between mile 1.4 and 33.4 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
4
1.4 mi into trip|~3m in|West Diehl Road
Turn left onto West Diehl Road
Lane positioning matters here
Use the left lane.
5
2.5 mi into trip|~5m in
Take the ramp toward I 88 West: Aurora
Lane positioning matters here
Use the left lane.
Toward I 88 West: Aurora
5
2.9 mi into trip|~6m in|I 88; IL 110 / Ronald Reagan Memorial Tollway
Merge onto I 88; IL 110 / Ronald Reagan Memorial Tollway
Merge point - match speed before joining. Lane positioning matters here
Use the straight / slight right lanes.
6
13.9 mi into trip|~19m in|I 88; IL 110 / Ronald Reagan Memorial Tollway
Keep slight left at fork onto I 88; IL 110 / Ronald Reagan Memorial Tollway toward I 88 Toll West, IL 47: DeKalb
Highway fork - watch signs carefully. Multiple destination signs - pick the right one
Toward I 88 Toll West, IL 47: DeKalb
7
33.4 mi into trip|~40m in
Take the exit toward Peace Road
Exit ramp - move to the correct lane early. Lane positioning matters here
Use the straight / slight right lanes.
Exit 94
Toward Peace Road
Fuel & Cost
Regular Gas
$5.42 one way
$10.84 round trip
$3.75/gal25.4 MPG avg13 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$4.14
$5.98
$11.97
premium
$4.72
$6.81
$13.63
diesel
$4.80
$6.93
$13.86
Estimated Tolls: $1.83
Reagan Memorial Tollway
(30.4 mi)$1.83
Toll estimates based on average 2024-2025 rates. EZ-Pass/SunPass discounts may lower the actual cost.
Drive Cost (one way)
Fuel
$5
Tolls
$2
Total
$7
Estimated CO2 emission: 12.8 kg one way.
Prices: EIA weekly data, 2026-07-13.
Driving Electric?
About $4 in charging
· 0 stops
· 69% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
11
0
$3.85
$1.76
Efficient EV
9.2
0
$3.21
$1.47
EV Truck/SUV
14.7
0
$5.14
$2.35
Gas CO2
13 kg
EV CO2
4 kg (69% less)
This trip is well within single-charge range for most EVs. No charging stops needed if you start fully charged.
DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.
Travel Intel
Current conditions at both ends of the drive.
Forecast as of Jul 16, 2026
Origin
Naperville, IL
Morning
in Naperville on Sunday
Local time
10:25 AM
CDT
Current temp
74°F
Partly Cloudy then Areas Of Smoke
N 0 to 5 mph0% chanceLive forecast
Flood Warning
Flood Warning issued July 15 at 8:37PM CDT until July 18 at 4:00PM CDT by NWS Lincoln IL
Flood Warning
Flood Warning issued July 15 at 8:37PM CDT until July 19 at 4:00PM CDT by NWS Lincoln IL
Destination
DeKalb, IL
Morning
in DeKalb on Sunday
Local time
10:25 AM
CDT
Current temp
72°F
Partly Cloudy then Areas Of Smoke
ENE 0 to 5 mph0% chanceLive forecast
Flood Warning
Flood Warning issued July 15 at 8:37PM CDT until July 18 at 4:00PM CDT by NWS Lincoln IL
Flood Warning
Flood Warning issued July 15 at 8:37PM CDT until July 19 at 4:00PM CDT by NWS Lincoln IL
86°F
Aurora, IL
18 mi in
Time zone
Same local time
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
2 degrees cooler at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
47m on the road
The weather snapshot is not static. If you are leaving later, give both cities one more quick forecast check before departure.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
More Details
What kind of drive is this?
This drive is almost entirely on surface roads, with no highway travel indicated. The longest continuous stretch on a main road is 30.4 miles, likely on the Ronald Reagan Memorial Tollway before transitioning. You'll notice a shift from potential tollway cruising to navigating local streets as you approach DeKalb. Be prepared for more frequent intersections and traffic signals on the latter half of this route.
Only 0% highway — the rest is turn-by-turn surface driving.
12 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 30.4 mi on Ronald Reagan Memorial Tollway.
How Hard Is This Drive?
6/10
Expect a hands-on drive with frequent turns and local roads rather than long highway stretches. You will hit about 8 points where you need to pay attention to lane position or signs. The trickiest moment comes around 1.4 miles in near West Diehl Road.
Driving Effort6/10
Moderate - straightforward overall, but long enough or busy enough to require pacing
Balances navigation complexity with total wheel time.
This drive requires moderate attention. Across 36.7 miles you will encounter 8 spots where lane choice or exit timing matters. Not difficult for experienced highway drivers, but worth previewing the tricky sections before you go.
Where does it get tricky?
The main spots that need attention: at 1.4 miles (West Diehl Road): Lane positioning matters here; at 2.5 miles: Lane positioning matters here; at 2.9 miles (I 88; IL 110 / Ronald Reagan Memorial Tollway): Merge point - match speed before joining. Lane positioning matters here.
Naperville is a bedroom community in the Chicagoland area. In 2008, Money magazine ranked Naperville third on its list of the 100 best places to live in the United States.
Doable as a same-day drive at 47m. Total distance: 36.7 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
47m drive, comfortable solo distance.
EV Driver
0 DC fast chargers along the route. Coverage: unknown.
Scenic Drive
Mostly surface roads route profile with national parks nearby.
Frequently Asked Questions
The longest stretch is about 30.4 miles on Ronald Reagan Memorial Tollway. The full list of main roads is in the Roads section above.
Expect about $1.83 in tolls one way, starting with Reagan Memorial Tollway. Most Northeast and Midwest toll agencies accept E-ZPass; in the West and Texas, transponders like TxTag or FasTrak apply. If you do not have a transponder, cashless tolling plates will mail a bill to the vehicle's registered address — usually with a surcharge, so a rental-car toll pass is often cheaper than paying by mail.
Yes — we found about 1 rest area or service plaza within a short detour of the route (from OpenStreetMap). See the Rest Stops tab under Nearby Places for locations and mile markers. Plan to stretch, use the bathroom, and top off fluids every 2–3 hours on longer drives.
It helps. This route has a higher-than-average number of complex decision points, which get harder in the dark. If the last hour of the trip is on surface roads or mountain grades, aim to arrive at DeKalb, IL before sunset when you can. Check the Trip Plan for departure windows that land you in daylight.
Yes. At under 2 hours behind the wheel, this works well for families — plan one quick stop if you have younger kids.
The main spots that need attention: at 1.4 miles (West Diehl Road): Lane positioning matters here; at 2.5 miles: Lane positioning matters here; at 2.9 miles (I 88; IL 110 / Ronald Reagan Memorial Tollway): Merge point - match speed before joining. Lane positioning matters here.
Yes — Pullman National Historical Park. See the National Parks section for detour distances and tips on detours.
Yes. A round trip is manageable in a single day if you plan a break at DeKalb, IL before heading back.
