Texas

Distance from Killeen to Round Rock

Straight-line distance

38.3mi

Killeen, TX and Round Rock, TX are 38.3 miles (61.7 km) apart in a straight line. From Killeen, the shortest path starts out heading S (174°).

kilometers
61.7
nautical miles
33.3
heading from Killeen
174° S
heading from Round Rock
354° N
KilleenRound Rock

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

How far Killeen is from Round Rock

The great-circle distance between the Census internal points of Killeen and Round Rock is 38.3 miles, 61.7 km or 33.3 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 38.3 miles, practically the same at this range.

Measurements

Miles
38.3
Kilometers
61.7
Nautical miles
33.3
Bearing from Killeen
173.9° S
Bearing arriving at Round Rock
173.9°
Bearing from Round Rock
353.9° N

Halfway between Killeen and Round Rock

The great-circle midpoint is at 30.801905, -97.697652 (30°48'6.86"N 97°41'51.55"W). The nearest incorporated place of 1,000 or more people is Jarrell, TX, with 5,151 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

Both use America/Chicago, so there is no time difference. On June 21, Killeen gets 14 h 10 min of daylight and Round Rock 14 h 07 min; on December 21, 10 h 08 min and 10 h 10 min. Killeen is 0.55° farther north, so it has the longer summer days and the shorter winter ones.

Population compared

Killeen has 1.2 times the population of Round Rock. From July 2020 to July 2024, Killeen changed by +4.5% and Round Rock by +12.3%. Both are in Texas.

  1. 01Killeen, TX160,616 (+4.5%)
  2. 02Round Rock, TX135,359 (+12.3%)
July 1, 2024 population and change since July 2020, Census Vintage 2024.

Questions people ask

How far is Killeen from Round Rock?

38.3 miles, 61.7 km or 33.3 nautical miles along the great circle between the two Census internal points. Road distance is longer.

Which direction is Round Rock from Killeen?

S. The great-circle path leaves Killeen on a bearing of 173.9° and arrives at Round Rock on 173.9°. The return trip starts on 353.9°.

What is halfway between Killeen and Round Rock?

The midpoint is at 30.801905, -97.697652. The nearest incorporated place of 1,000+ is Jarrell, TX, 4.9 miles from it.

Is there a time difference between Killeen and Round Rock?

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

Which is bigger, Killeen or Round Rock?

Killeen, with 160,616 residents in July 2024 against 135,359 for Round Rock, 1.2 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.