Texas
Distance from Round Rock to Waco
Straight-line distance
76.6mi
Round Rock, TX and Waco, TX are 76.6 miles (123.3 km) apart in a straight line. From Round Rock, the shortest path starts out heading NNE (21°).
- kilometers
- 123.3
- nautical miles
- 66.6
- heading from Round Rock
- 21° NNE
- heading from Waco
- 202° SSW
Orange line: great-circle path · ring: midpoint · thin lines: county borders
How far Round Rock is from Waco
The great-circle distance between the Census internal points of Round Rock and Waco is 76.6 miles, 123.3 km or 66.6 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 76.6 miles, practically the same at this range.
Measurements
- Miles
- 76.6
- Kilometers
- 123.3
- Nautical miles
- 66.6
- Bearing from Round Rock
- 21.4° NNE
- Bearing arriving at Waco
- 21.6°
- Bearing from Waco
- 201.6° SSW
Halfway between Round Rock and Waco
The great-circle midpoint is at 31.042266, -97.427884 (31°02'32.16"N 97°25'40.38"W). The nearest incorporated place of 1,000 or more people is Belton, TX, with 25,635 residents, 3.1 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 Waco 14 h 13 min; on December 21, 10 h 10 min and 10 h 05 min. Waco is 1.03° farther north, so it has the longer summer days and the shorter winter ones.
Population compared
Waco has 1.1 times the population of Round Rock. From July 2020 to July 2024, Round Rock changed by +12.3% and Waco by +4.3%. Both are in Texas.
- 01Round Rock, TX135,359 (+12.3%)
- 02Waco, TX146,608 (+4.3%)
Questions people ask
How far is Round Rock from Waco?
76.6 miles, 123.3 km or 66.6 nautical miles along the great circle between the two Census internal points. Road distance is longer.
Which direction is Waco from Round Rock?
NNE. The great-circle path leaves Round Rock on a bearing of 21.4° and arrives at Waco on 21.6°. The return trip starts on 201.6°.
What is halfway between Round Rock and Waco?
The midpoint is at 31.042266, -97.427884. The nearest incorporated place of 1,000+ is Belton, TX, 3.1 miles from it.
Is there a time difference between Round Rock and Waco?
Both use America/Chicago, so there is no time difference.
Which is bigger, Round Rock or Waco?
Waco, with 146,608 residents in July 2024 against 135,359 for Round Rock, 1.1 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.
- 01Census 2024 Gazetteer, places
- 02Census Vintage 2024 subcounty population estimates
- 03SunCalc library (Vladimir Agafonkin), algorithms after Jean Meeus
- 04IANA time zone database (clock times and daylight saving rules)
How every number is computed: methodology. Spotted a wrong figure? Report an error.