Colorado

Distance from Centennial to Thornton

Straight-line distance

23.1mi

Centennial, CO and Thornton, CO are 23.1 miles (37.2 km) apart in a straight line. From Centennial, the shortest path starts out heading N (350°).

kilometers
37.2
nautical miles
20.1
heading from Centennial
350° N
heading from Thornton
170° S
CentennialThornton

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

How far Centennial is from Thornton

The great-circle distance between the Census internal points of Centennial and Thornton is 23.1 miles, 37.2 km or 20.1 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 23.1 miles, practically the same at this range.

Measurements

Miles
23.1
Kilometers
37.2
Nautical miles
20.1
Bearing from Centennial
349.8° N
Bearing arriving at Thornton
349.7°
Bearing from Thornton
169.7° S

Halfway between Centennial and Thornton

The great-circle midpoint is at 39.755656, -104.902507 (39°45'20.36"N 104°54'9.03"W). The nearest incorporated place of 1,000 or more people is Denver, CO, with 729,019 residents, 1.2 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/Denver, so there is no time difference. On June 21, Centennial gets 14 h 58 min of daylight and Thornton 15 h 00 min; on December 21, 9 h 22 min and 9 h 20 min. The two sit at nearly the same latitude, so their day lengths match closely all year.

Population compared

Thornton has 1.3 times the population of Centennial. From July 2020 to July 2024, Centennial changed by +0.6% and Thornton by +3.2%. Both are in Colorado.

  1. 01Centennial, CO108,853 (+0.6%)
  2. 02Thornton, CO146,689 (+3.2%)
July 1, 2024 population and change since July 2020, Census Vintage 2024.

Questions people ask

How far is Centennial from Thornton?

23.1 miles, 37.2 km or 20.1 nautical miles along the great circle between the two Census internal points. Road distance is longer.

Which direction is Thornton from Centennial?

N. The great-circle path leaves Centennial on a bearing of 349.8° and arrives at Thornton on 349.7°. The return trip starts on 169.7°.

What is halfway between Centennial and Thornton?

The midpoint is at 39.755656, -104.902507. The nearest incorporated place of 1,000+ is Denver, CO, 1.2 miles from it.

Is there a time difference between Centennial and Thornton?

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

Which is bigger, Centennial or Thornton?

Thornton, with 146,689 residents in July 2024 against 108,853 for Centennial, 1.3 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.