Illinois

Distance from Joliet to Springfield

Straight-line distance

142.7mi

Joliet, IL and Springfield, IL are 142.7 miles (229.7 km) apart in a straight line. From Joliet, the shortest path starts out heading SW (214°).

kilometers
229.7
nautical miles
124.0
heading from Joliet
214° SW
heading from Springfield
33° NNE
JolietSpringfield

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

How far Joliet is from Springfield

The great-circle distance between the Census internal points of Joliet and Springfield is 142.7 miles, 229.7 km or 124.0 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 142.7 miles, practically the same at this range.

Measurements

Miles
142.7
Kilometers
229.7
Nautical miles
124.0
Bearing from Joliet
213.8° SW
Bearing arriving at Springfield
212.9°
Bearing from Springfield
32.9° NNE

Halfway between Joliet and Springfield

The great-circle midpoint is at 40.656415, -88.905979 (40°39'23.09"N 88°54'21.52"W). The nearest incorporated place of 1,000 or more people is Hudson, IL, with 1,767 residents, 5.6 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, Joliet gets 15 h 11 min of daylight and Springfield 15 h 00 min; on December 21, 9 h 10 min and 9 h 21 min. Joliet is 1.73° farther north, so it has the longer summer days and the shorter winter ones.

Population compared

Joliet has 1.3 times the population of Springfield. From July 2020 to July 2024, Joliet changed by +1.0% and Springfield by -1.2%. Both are in Illinois.

  1. 01Joliet, IL151,837 (+1.0%)
  2. 02Springfield, IL112,949 (-1.2%)
July 1, 2024 population and change since July 2020, Census Vintage 2024.

Questions people ask

How far is Joliet from Springfield?

142.7 miles, 229.7 km or 124.0 nautical miles along the great circle between the two Census internal points. Road distance is longer.

Which direction is Springfield from Joliet?

SW. The great-circle path leaves Joliet on a bearing of 213.8° and arrives at Springfield on 212.9°. The return trip starts on 32.9°.

What is halfway between Joliet and Springfield?

The midpoint is at 40.656415, -88.905979. The nearest incorporated place of 1,000+ is Hudson, IL, 5.6 miles from it.

Is there a time difference between Joliet and Springfield?

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

Which is bigger, Joliet or Springfield?

Joliet, with 151,837 residents in July 2024 against 112,949 for Springfield, 1.3 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.