Texas

Distance from Killeen to San Antonio

Straight-line distance

121.2mi

Killeen, TX and San Antonio, TX are 121.2 miles (195.0 km) apart in a straight line. From Killeen, the shortest path starts out heading SSW (203°).

kilometers
195.0
nautical miles
105.3
heading from Killeen
203° SSW
heading from San Antonio
23° NNE
KilleenSan Antonio

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

How far Killeen is from San Antonio

The great-circle distance between the Census internal points of Killeen and San Antonio is 121.2 miles, 195.0 km or 105.3 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 121.2 miles, practically the same at this range.

Measurements

Miles
121.2
Kilometers
195.0
Nautical miles
105.3
Bearing from Killeen
203.2° SSW
Bearing arriving at San Antonio
202.8°
Bearing from San Antonio
22.8° NNE

Halfway between Killeen and San Antonio

The great-circle midpoint is at 30.270847, -98.131560 (30°16'15.05"N 98°07'53.62"W). The nearest incorporated place of 1,000 or more people is Dripping Springs, TX, with 10,165 residents, 5.7 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, Killeen gets 14 h 10 min of daylight and San Antonio 14 h 02 min; on December 21, 10 h 08 min and 10 h 15 min. Killeen is 1.61° farther north, so it has the longer summer days and the shorter winter ones.

Population compared

San Antonio has 9.5 times the population of Killeen. From July 2020 to July 2024, Killeen changed by +4.5% and San Antonio by +6.1%. Both are in Texas.

  1. 01Killeen, TX160,616 (+4.5%)
  2. 02San Antonio, TX1,526,656 (+6.1%)
July 1, 2024 population and change since July 2020, Census Vintage 2024.

Questions people ask

How far is Killeen from San Antonio?

121.2 miles, 195.0 km or 105.3 nautical miles along the great circle between the two Census internal points. Road distance is longer.

Which direction is San Antonio from Killeen?

SSW. The great-circle path leaves Killeen on a bearing of 203.2° and arrives at San Antonio on 202.8°. The return trip starts on 22.8°.

What is halfway between Killeen and San Antonio?

The midpoint is at 30.270847, -98.131560. The nearest incorporated place of 1,000+ is Dripping Springs, TX, 5.7 miles from it.

Is there a time difference between Killeen and San Antonio?

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

Which is bigger, Killeen or San Antonio?

San Antonio, with 1,526,656 residents in July 2024 against 160,616 for Killeen, 9.5 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.