Wisconsin to Illinois

Distance from Green Bay to Naperville

Straight-line distance

191.7mi

Green Bay, WI and Naperville, IL are 191.7 miles (308.6 km) apart in a straight line. From Green Bay, the shortest path starts out heading S (183°).

kilometers
308.6
nautical miles
166.6
heading from Green Bay
183° S
heading from Naperville
3° N
Green BayNaperville

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

How far Green Bay is from Naperville

The great-circle distance between the Census internal points of Green Bay and Naperville is 191.7 miles, 308.6 km or 166.6 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 191.8 miles, practically the same at this range.

Measurements

Miles
191.7
Kilometers
308.6
Nautical miles
166.6
Bearing from Green Bay
182.7° S
Bearing arriving at Naperville
182.6°
Bearing from Naperville
2.6° N

Halfway between Green Bay and Naperville

The great-circle midpoint is at 43.135383, -88.076288 (43°08'7.38"N 88°04'34.64"W). The nearest incorporated place of 1,000 or more people is Butler, WI, with 1,769 residents, 1.9 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, Green Bay gets 15 h 33 min of daylight and Naperville 15 h 13 min; on December 21, 8 h 49 min and 9 h 09 min. Green Bay is 2.77° farther north, so it has the longer summer days and the shorter winter ones.

Population compared

Naperville has 1.4 times the population of Green Bay. From July 2020 to July 2024, Green Bay changed by -0.9% and Naperville by +2.5%. The trip crosses from Wisconsin into Illinois.

  1. 01Green Bay, WI106,311 (-0.9%)
  2. 02Naperville, IL153,124 (+2.5%)
July 1, 2024 population and change since July 2020, Census Vintage 2024.

Questions people ask

How far is Green Bay from Naperville?

191.7 miles, 308.6 km or 166.6 nautical miles along the great circle between the two Census internal points. Road distance is longer.

Which direction is Naperville from Green Bay?

S. The great-circle path leaves Green Bay on a bearing of 182.7° and arrives at Naperville on 182.6°. The return trip starts on 2.6°.

What is halfway between Green Bay and Naperville?

The midpoint is at 43.135383, -88.076288. The nearest incorporated place of 1,000+ is Butler, WI, 1.9 miles from it.

Is there a time difference between Green Bay and Naperville?

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

Which is bigger, Green Bay or Naperville?

Naperville, with 153,124 residents in July 2024 against 106,311 for Green Bay, 1.4 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.