Texas

Distance from Round Rock to San Angelo

Straight-line distance

176.8mi

Round Rock, TX and San Angelo, TX are 176.8 miles (284.5 km) apart in a straight line. From Round Rock, the shortest path starts out heading WNW (292°).

kilometers
284.5
nautical miles
153.6
heading from Round Rock
292° WNW
heading from San Angelo
110° ESE
Round RockSan Angelo

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

How far Round Rock is from San Angelo

The great-circle distance between the Census internal points of Round Rock and San Angelo is 176.8 miles, 284.5 km or 153.6 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 176.8 miles, practically the same at this range.

Measurements

Miles
176.8
Kilometers
284.5
Nautical miles
153.6
Bearing from Round Rock
291.7° WNW
Bearing arriving at San Angelo
290.2°
Bearing from San Angelo
110.2° ESE

Halfway between Round Rock and San Angelo

The great-circle midpoint is at 30.991080, -99.050317 (30°59'27.89"N 99°03'1.14"W). The nearest incorporated place of 1,000 or more people is Brady, TX, with 4,956 residents, 19.5 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, Round Rock gets 14 h 07 min of daylight and San Angelo 14 h 12 min; on December 21, 10 h 10 min and 10 h 06 min. San Angelo is 0.91° farther north, so it has the longer summer days and the shorter winter ones.

Population compared

Round Rock has 1.4 times the population of San Angelo. From July 2020 to July 2024, Round Rock changed by +12.3% and San Angelo by +0.1%. Both are in Texas.

  1. 01Round Rock, TX135,359 (+12.3%)
  2. 02San Angelo, TX100,159 (+0.1%)
July 1, 2024 population and change since July 2020, Census Vintage 2024.

Questions people ask

How far is Round Rock from San Angelo?

176.8 miles, 284.5 km or 153.6 nautical miles along the great circle between the two Census internal points. Road distance is longer.

Which direction is San Angelo from Round Rock?

WNW. The great-circle path leaves Round Rock on a bearing of 291.7° and arrives at San Angelo on 290.2°. The return trip starts on 110.2°.

What is halfway between Round Rock and San Angelo?

The midpoint is at 30.991080, -99.050317. The nearest incorporated place of 1,000+ is Brady, TX, 19.5 miles from it.

Is there a time difference between Round Rock and San Angelo?

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

Which is bigger, Round Rock or San Angelo?

Round Rock, with 135,359 residents in July 2024 against 100,159 for San Angelo, 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.