Wisconsin to Illinois

Distance from Madison to Naperville

Straight-line distance

112.9mi

Madison, WI and Naperville, IL are 112.9 miles (181.6 km) apart in a straight line. From Madison, the shortest path starts out heading SE (145°).

kilometers
181.6
nautical miles
98.1
heading from Madison
145° SE
heading from Naperville
325° NW
MadisonNaperville

Orange line: great-circle path · ring: midpoint · thin lines: county borders

How far Madison is from Naperville

The great-circle distance between the Census internal points of Madison and Naperville is 112.9 miles, 181.6 km or 98.1 nautical miles. That is the shortest path over the Earth's surface, computed with the haversine formula on a sphere with the mean Earth radius, 6,371.0 km. A course held on one compass bearing (a rhumb line) would be 112.9 miles, practically the same at this range.

Measurements

Miles
112.9
Kilometers
181.6
Nautical miles
98.1
Bearing from Madison
144.6° SE
Bearing arriving at Naperville
145.5°
Bearing from Naperville
325.5° NW

Halfway between Madison and Naperville

The great-circle midpoint is at 42.420246, -88.789183 (42°25'12.89"N 88°47'21.06"W). The nearest incorporated place of 1,000 or more people is Capron, IL, with 1,402 residents, 3.0 miles from the midpoint. To find towns near the midpoint of any two places, use the halfway tool.

Time zones and daylight

Both use America/Chicago, so there is no time difference. On June 21, Madison gets 15 h 22 min of daylight and Naperville 15 h 13 min; on December 21, 9 h 00 min and 9 h 09 min. Madison is 1.34° farther north, so it has the longer summer days and the shorter winter ones.

Population compared

Madison has 1.9 times the population of Naperville. From July 2020 to July 2024, Madison changed by +3.8% and Naperville by +2.5%. The trip crosses from Wisconsin into Illinois.

  1. 01Madison, WI285,300 (+3.8%)
  2. 02Naperville, IL153,124 (+2.5%)
July 1, 2024 population and change since July 2020, Census Vintage 2024.

Questions people ask

How far is Madison from Naperville?

112.9 miles, 181.6 km or 98.1 nautical miles along the great circle between the two Census internal points. Road distance is longer.

Which direction is Naperville from Madison?

SE. The great-circle path leaves Madison on a bearing of 144.6° and arrives at Naperville on 145.5°. The return trip starts on 325.5°.

What is halfway between Madison and Naperville?

The midpoint is at 42.420246, -88.789183. The nearest incorporated place of 1,000+ is Capron, IL, 3.0 miles from it.

Is there a time difference between Madison and Naperville?

Both use America/Chicago, so there is no time difference.

Which is bigger, Madison or Naperville?

Madison, with 285,300 residents in July 2024 against 153,124 for Naperville, 1.9 times as many.

Sources and data as of

Data as of: Census 2024 Gazetteer internal points and Vintage 2024 estimates; time zones from Open-Meteo.

  1. 01Census 2024 Gazetteer, places
  2. 02Census Vintage 2024 subcounty population estimates
  3. 03SunCalc library (Vladimir Agafonkin), algorithms after Jean Meeus
  4. 04IANA time zone database (clock times and daylight saving rules)

How every number is computed: methodology. Spotted a wrong figure? Report an error.