Colorado

Distance from Greeley to Thornton

Straight-line distance

35.4mi

Greeley, CO and Thornton, CO are 35.4 miles (57.0 km) apart in a straight line. From Greeley, the shortest path starts out heading SSW (195°).

kilometers
57.0
nautical miles
30.8
heading from Greeley
195° SSW
heading from Thornton
14° NNE
GreeleyThornton

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

How far Greeley is from Thornton

The great-circle distance between the Census internal points of Greeley and Thornton is 35.4 miles, 57.0 km or 30.8 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 35.4 miles, practically the same at this range.

Measurements

Miles
35.4
Kilometers
57.0
Nautical miles
30.8
Bearing from Greeley
194.6° SSW
Bearing arriving at Thornton
194.5°
Bearing from Thornton
14.5° NNE

Halfway between Greeley and Thornton

The great-circle midpoint is at 40.168530, -104.857657 (40°10'6.71"N 104°51'27.57"W). The nearest incorporated place of 1,000 or more people is Platteville, CO, with 2,904 residents, 4.0 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, Greeley gets 15 h 04 min of daylight and Thornton 15 h 00 min; on December 21, 9 h 17 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 Greeley. From July 2020 to July 2024, Greeley changed by +4.6% and Thornton by +3.2%. Both are in Colorado.

  1. 01Greeley, CO114,363 (+4.6%)
  2. 02Thornton, CO146,689 (+3.2%)
July 1, 2024 population and change since July 2020, Census Vintage 2024.

Questions people ask

How far is Greeley from Thornton?

35.4 miles, 57.0 km or 30.8 nautical miles along the great circle between the two Census internal points. Road distance is longer.

Which direction is Thornton from Greeley?

SSW. The great-circle path leaves Greeley on a bearing of 194.6° and arrives at Thornton on 194.5°. The return trip starts on 14.5°.

What is halfway between Greeley and Thornton?

The midpoint is at 40.168530, -104.857657. The nearest incorporated place of 1,000+ is Platteville, CO, 4.0 miles from it.

Is there a time difference between Greeley and Thornton?

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

Which is bigger, Greeley or Thornton?

Thornton, with 146,689 residents in July 2024 against 114,363 for Greeley, 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.