Illinois

Distance from Aurora to Joliet

Straight-line distance

18.6mi

Aurora, IL and Joliet, IL are 18.6 miles (29.9 km) apart in a straight line. From Aurora, the shortest path starts out heading SSE (157°).

kilometers
29.9
nautical miles
16.1
heading from Aurora
157° SSE
heading from Joliet
337° NNW
AuroraJoliet

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

How far Aurora is from Joliet

The great-circle distance between the Census internal points of Aurora and Joliet is 18.6 miles, 29.9 km or 16.1 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 18.6 miles, practically the same at this range.

Measurements

Miles
18.6
Kilometers
29.9
Nautical miles
16.1
Bearing from Aurora
156.7° SSE
Bearing arriving at Joliet
156.7°
Bearing from Joliet
336.7° NNW

Halfway between Aurora and Joliet

The great-circle midpoint is at 41.640222, -88.218914 (41°38'24.80"N 88°13'8.09"W). The nearest incorporated place of 1,000 or more people is Plainfield, IL, with 48,881 residents, 1.6 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, Aurora gets 15 h 13 min of daylight and Joliet 15 h 11 min; on December 21, 9 h 09 min and 9 h 10 min. The two sit at nearly the same latitude, so their day lengths match closely all year.

Population compared

Aurora has 1.2 times the population of Joliet. From July 2020 to July 2024, Aurora changed by +0.2% and Joliet by +1.0%. Both are in Illinois.

  1. 01Aurora, IL180,710 (+0.2%)
  2. 02Joliet, IL151,837 (+1.0%)
July 1, 2024 population and change since July 2020, Census Vintage 2024.

Questions people ask

How far is Aurora from Joliet?

18.6 miles, 29.9 km or 16.1 nautical miles along the great circle between the two Census internal points. Road distance is longer.

Which direction is Joliet from Aurora?

SSE. The great-circle path leaves Aurora on a bearing of 156.7° and arrives at Joliet on 156.7°. The return trip starts on 336.7°.

What is halfway between Aurora and Joliet?

The midpoint is at 41.640222, -88.218914. The nearest incorporated place of 1,000+ is Plainfield, IL, 1.6 miles from it.

Is there a time difference between Aurora and Joliet?

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

Which is bigger, Aurora or Joliet?

Aurora, with 180,710 residents in July 2024 against 151,837 for Joliet, 1.2 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.