Colorado

Distance from Arvada to Thornton

Straight-line distance

12.6mi

Arvada, CO and Thornton, CO are 12.6 miles (20.3 km) apart in a straight line. From Arvada, the shortest path starts out heading ENE (62°).

kilometers
20.3
nautical miles
10.9
heading from Arvada
62° ENE
heading from Thornton
242° WSW
ArvadaThornton

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

How far Arvada is from Thornton

The great-circle distance between the Census internal points of Arvada and Thornton is 12.6 miles, 20.3 km or 10.9 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 12.6 miles, practically the same at this range.

Measurements

Miles
12.6
Kilometers
20.3
Nautical miles
10.9
Bearing from Arvada
61.5° ENE
Bearing arriving at Thornton
61.7°
Bearing from Thornton
241.7° WSW

Halfway between Arvada and Thornton

The great-circle midpoint is at 39.877097, -105.045916 (39°52'37.55"N 105°02'45.30"W). The nearest incorporated place of 1,000 or more people is Westminster, CO, with 115,302 residents, 0.9 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/Denver, so there is no time difference. On June 21, Arvada gets 15 h 00 min of daylight and Thornton 15 h 00 min; on December 21, 9 h 21 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 1.2 times the population of Arvada. From July 2020 to July 2024, Arvada changed by -2.0% and Thornton by +3.2%. Both are in Colorado.

  1. 01Arvada, CO121,873 (-2.0%)
  2. 02Thornton, CO146,689 (+3.2%)
July 1, 2024 population and change since July 2020, Census Vintage 2024.

Questions people ask

How far is Arvada from Thornton?

12.6 miles, 20.3 km or 10.9 nautical miles along the great circle between the two Census internal points. Road distance is longer.

Which direction is Thornton from Arvada?

ENE. The great-circle path leaves Arvada on a bearing of 61.5° and arrives at Thornton on 61.7°. The return trip starts on 241.7°.

What is halfway between Arvada and Thornton?

The midpoint is at 39.877097, -105.045916. The nearest incorporated place of 1,000+ is Westminster, CO, 0.9 miles from it.

Is there a time difference between Arvada and Thornton?

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

Which is bigger, Arvada or Thornton?

Thornton, with 146,689 residents in July 2024 against 121,873 for Arvada, 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.