Iowa to Wisconsin

Distance from Cedar Rapids to Madison

Straight-line distance

138.4mi

Cedar Rapids, IA and Madison, WI are 138.4 miles (222.7 km) apart in a straight line. From Cedar Rapids, the shortest path starts out heading NE (55°).

kilometers
222.7
nautical miles
120.2
heading from Cedar Rapids
55° NE
heading from Madison
237° WSW
Cedar RapidsMadison

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

How far Cedar Rapids is from Madison

The great-circle distance between the Census internal points of Cedar Rapids and Madison is 138.4 miles, 222.7 km or 120.2 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 138.4 miles, practically the same at this range.

Measurements

Miles
138.4
Kilometers
222.7
Nautical miles
120.2
Bearing from Cedar Rapids
55.1° NE
Bearing arriving at Madison
56.6°
Bearing from Madison
236.6° WSW

Halfway between Cedar Rapids and Madison

The great-circle midpoint is at 42.531498, -90.564666 (42°31'53.39"N 90°33'52.80"W). The nearest incorporated place of 1,000 or more people is East Dubuque, IL, with 1,457 residents, 4.2 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, Cedar Rapids gets 15 h 14 min of daylight and Madison 15 h 22 min; on December 21, 9 h 07 min and 9 h 00 min. Madison is 1.12° farther north, so it has the longer summer days and the shorter winter ones.

Population compared

Madison has 2.1 times the population of Cedar Rapids. From July 2020 to July 2024, Cedar Rapids changed by +0.0% and Madison by +3.8%. The trip crosses from Iowa into Wisconsin.

  1. 01Cedar Rapids, IA137,904 (+0.0%)
  2. 02Madison, WI285,300 (+3.8%)
July 1, 2024 population and change since July 2020, Census Vintage 2024.

Questions people ask

How far is Cedar Rapids from Madison?

138.4 miles, 222.7 km or 120.2 nautical miles along the great circle between the two Census internal points. Road distance is longer.

Which direction is Madison from Cedar Rapids?

NE. The great-circle path leaves Cedar Rapids on a bearing of 55.1° and arrives at Madison on 56.6°. The return trip starts on 236.6°.

What is halfway between Cedar Rapids and Madison?

The midpoint is at 42.531498, -90.564666. The nearest incorporated place of 1,000+ is East Dubuque, IL, 4.2 miles from it.

Is there a time difference between Cedar Rapids and Madison?

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

Which is bigger, Cedar Rapids or Madison?

Madison, with 285,300 residents in July 2024 against 137,904 for Cedar Rapids, 2.1 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.