Illinois to Iowa

Distance from Aurora to Cedar Rapids

Straight-line distance

174.9mi

Aurora, IL and Cedar Rapids, IA are 174.9 miles (281.5 km) apart in a straight line. From Aurora, the shortest path starts out heading W (276°).

kilometers
281.5
nautical miles
152.0
heading from Aurora
276° W
heading from Cedar Rapids
93° E
AuroraCedar Rapids

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

How far Aurora is from Cedar Rapids

The great-circle distance between the Census internal points of Aurora and Cedar Rapids is 174.9 miles, 281.5 km or 152.0 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 174.9 miles, practically the same at this range.

Measurements

Miles
174.9
Kilometers
281.5
Nautical miles
152.0
Bearing from Aurora
275.7° W
Bearing arriving at Cedar Rapids
273.4°
Bearing from Cedar Rapids
93.4° E

Halfway between Aurora and Cedar Rapids

The great-circle midpoint is at 41.876306, -89.981990 (41°52'34.70"N 89°58'55.16"W). The nearest incorporated place of 1,000 or more people is Morrison, IL, with 3,988 residents, 4.8 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 Cedar Rapids 15 h 14 min; on December 21, 9 h 09 min and 9 h 07 min. The two sit at nearly the same latitude, so their day lengths match closely all year.

Population compared

Aurora has 1.3 times the population of Cedar Rapids. From July 2020 to July 2024, Aurora changed by +0.2% and Cedar Rapids by +0.0%. The trip crosses from Illinois into Iowa.

  1. 01Aurora, IL180,710 (+0.2%)
  2. 02Cedar Rapids, IA137,904 (+0.0%)
July 1, 2024 population and change since July 2020, Census Vintage 2024.

Questions people ask

How far is Aurora from Cedar Rapids?

174.9 miles, 281.5 km or 152.0 nautical miles along the great circle between the two Census internal points. Road distance is longer.

Which direction is Cedar Rapids from Aurora?

W. The great-circle path leaves Aurora on a bearing of 275.7° and arrives at Cedar Rapids on 273.4°. The return trip starts on 93.4°.

What is halfway between Aurora and Cedar Rapids?

The midpoint is at 41.876306, -89.981990. The nearest incorporated place of 1,000+ is Morrison, IL, 4.8 miles from it.

Is there a time difference between Aurora and Cedar Rapids?

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

Which is bigger, Aurora or Cedar Rapids?

Aurora, with 180,710 residents in July 2024 against 137,904 for Cedar Rapids, 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.