Illinois

Distance from Naperville to Springfield

Straight-line distance

156.0mi

Naperville, IL and Springfield, IL are 156.0 miles (251.0 km) apart in a straight line. From Naperville, the shortest path starts out heading SSW (210°).

kilometers
251.0
nautical miles
135.5
heading from Naperville
210° SSW
heading from Springfield
29° NNE
NapervilleSpringfield

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

How far Naperville is from Springfield

The great-circle distance between the Census internal points of Naperville and Springfield is 156.0 miles, 251.0 km or 135.5 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 156.0 miles, practically the same at this range.

Measurements

Miles
156.0
Kilometers
251.0
Nautical miles
135.5
Bearing from Naperville
210.3° SSW
Bearing arriving at Springfield
209.3°
Bearing from Springfield
29.3° NNE

Halfway between Naperville and Springfield

The great-circle midpoint is at 40.772521, -88.914224 (40°46'21.08"N 88°54'51.21"W). The nearest incorporated place of 1,000 or more people is Gridley, IL, with 1,443 residents, 2.7 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, Naperville gets 15 h 13 min of daylight and Springfield 15 h 00 min; on December 21, 9 h 09 min and 9 h 21 min. Naperville is 1.96° farther north, so it has the longer summer days and the shorter winter ones.

Population compared

Naperville has 1.4 times the population of Springfield. From July 2020 to July 2024, Naperville changed by +2.5% and Springfield by -1.2%. Both are in Illinois.

  1. 01Naperville, IL153,124 (+2.5%)
  2. 02Springfield, IL112,949 (-1.2%)
July 1, 2024 population and change since July 2020, Census Vintage 2024.

Questions people ask

How far is Naperville from Springfield?

156.0 miles, 251.0 km or 135.5 nautical miles along the great circle between the two Census internal points. Road distance is longer.

Which direction is Springfield from Naperville?

SSW. The great-circle path leaves Naperville on a bearing of 210.3° and arrives at Springfield on 209.3°. The return trip starts on 29.3°.

What is halfway between Naperville and Springfield?

The midpoint is at 40.772521, -88.914224. The nearest incorporated place of 1,000+ is Gridley, IL, 2.7 miles from it.

Is there a time difference between Naperville and Springfield?

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

Which is bigger, Naperville or Springfield?

Naperville, with 153,124 residents in July 2024 against 112,949 for Springfield, 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.