Ohio to Kentucky

Distance from Cincinnati to Louisville/Jefferson County

Straight-line distance

91.3mi

Cincinnati, OH and Louisville/Jefferson County, KY are 91.3 miles (146.9 km) apart in a straight line. From Cincinnati, the shortest path starts out heading SW (223°).

kilometers
146.9
nautical miles
79.3
heading from Cincinnati
223° SW
heading from Louisville/Jefferson County
42° NE
CincinnatiLouisville/Jefferson County

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

How far Cincinnati is from Louisville/Jefferson County

The great-circle distance between the Census internal points of Cincinnati and Louisville/Jefferson County is 91.3 miles, 146.9 km or 79.3 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 91.3 miles, practically the same at this range.

Measurements

Miles
91.3
Kilometers
146.9
Nautical miles
79.3
Bearing from Cincinnati
222.8° SW
Bearing arriving at Louisville/Jefferson County
222.1°
Bearing from Louisville/Jefferson County
42.1° NE

Halfway between Cincinnati and Louisville/Jefferson County

The great-circle midpoint is at 38.654187, -85.080484 (38°39'15.07"N 85°04'49.74"W). The nearest incorporated place of 1,000 or more people is Carrollton, KY, with 3,955 residents, 4.9 miles from the midpoint. To find towns near the midpoint of any two places, use the halfway tool.

Time zones and daylight

Cincinnati uses America/New_York and Louisville/Jefferson County uses America/Kentucky/Louisville; Louisville/Jefferson County is the same clock time all year. On June 21, Cincinnati gets 14 h 55 min of daylight and Louisville/Jefferson County 14 h 49 min; on December 21, 9 h 25 min and 9 h 31 min. Cincinnati is 0.97° farther north, so it has the longer summer days and the shorter winter ones.

Population compared

Louisville/Jefferson County has 2.0 times the population of Cincinnati. From July 2020 to July 2024, Cincinnati changed by +1.7% and Louisville/Jefferson County by +1.4%. The trip crosses from Ohio into Kentucky.

  1. 01Cincinnati, OH314,915 (+1.7%)
  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 Cincinnati from Louisville/Jefferson County?

91.3 miles, 146.9 km or 79.3 nautical miles along the great circle between the two Census internal points. Road distance is longer.

Which direction is Louisville/Jefferson County from Cincinnati?

SW. The great-circle path leaves Cincinnati on a bearing of 222.8° and arrives at Louisville/Jefferson County on 222.1°. The return trip starts on 42.1°.

What is halfway between Cincinnati and Louisville/Jefferson County?

The midpoint is at 38.654187, -85.080484. The nearest incorporated place of 1,000+ is Carrollton, KY, 4.9 miles from it.

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

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

Which is bigger, Cincinnati or Louisville/Jefferson County?

Louisville/Jefferson County, with 640,796 residents in July 2024 against 314,915 for Cincinnati, 2.0 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.