Indiana to Kentucky

Distance from Indianapolis to Louisville/Jefferson County

Straight-line distance

114.5mi

Indianapolis, IN and Louisville/Jefferson County, KY are 114.5 miles (184.3 km) apart in a straight line. From Indianapolis, the shortest path starts out heading SSE (166°).

kilometers
184.3
nautical miles
99.5
heading from Indianapolis
166° SSE
heading from Louisville/Jefferson County
347° NNW
IndianapolisLouisville/Jefferson County

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

How far Indianapolis is from Louisville/Jefferson County

The great-circle distance between the Census internal points of Indianapolis and Louisville/Jefferson County is 114.5 miles, 184.3 km or 99.5 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 114.5 miles, practically the same at this range.

Measurements

Miles
114.5
Kilometers
184.3
Nautical miles
99.5
Bearing from Indianapolis
166.3° SSE
Bearing arriving at Louisville/Jefferson County
166.6°
Bearing from Louisville/Jefferson County
346.6° NNW

Halfway between Indianapolis and Louisville/Jefferson County

The great-circle midpoint is at 38.971315, -85.893815 (38°58'16.73"N 85°53'37.73"W). The nearest incorporated place of 1,000 or more people is Seymour, IN, with 22,524 residents, 1.7 miles from the midpoint. To find towns near the midpoint of any two places, use the halfway tool.

Time zones and daylight

Indianapolis uses America/Indiana/Indianapolis and Louisville/Jefferson County uses America/Kentucky/Louisville; Louisville/Jefferson County is the same clock time all year. On June 21, Indianapolis gets 15 h 00 min of daylight and Louisville/Jefferson County 14 h 49 min; on December 21, 9 h 21 min and 9 h 31 min. Indianapolis is 1.61° farther north, so it has the longer summer days and the shorter winter ones.

Population compared

Indianapolis has 1.4 times the population of Louisville/Jefferson County. From July 2020 to July 2024, Indianapolis changed by +0.5% and Louisville/Jefferson County by +1.4%. The trip crosses from Indiana into Kentucky.

  1. 01Indianapolis, IN891,484 (+0.5%)
  2. 02Louisville/Jefferson County, KY640,796 (+1.4%)
July 1, 2024 population and change since July 2020, Census Vintage 2024.

Questions people ask

How far is Indianapolis from Louisville/Jefferson County?

114.5 miles, 184.3 km or 99.5 nautical miles along the great circle between the two Census internal points. Road distance is longer.

Which direction is Louisville/Jefferson County from Indianapolis?

SSE. The great-circle path leaves Indianapolis on a bearing of 166.3° and arrives at Louisville/Jefferson County on 166.6°. The return trip starts on 346.6°.

What is halfway between Indianapolis and Louisville/Jefferson County?

The midpoint is at 38.971315, -85.893815. The nearest incorporated place of 1,000+ is Seymour, IN, 1.7 miles from it.

Is there a time difference between Indianapolis and Louisville/Jefferson County?

Indianapolis uses America/Indiana/Indianapolis and Louisville/Jefferson County uses America/Kentucky/Louisville; Louisville/Jefferson County is the same clock time all year.

Which is bigger, Indianapolis or Louisville/Jefferson County?

Indianapolis, with 891,484 residents in July 2024 against 640,796 for Louisville/Jefferson County, 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.