Colorado

Distance from Boulder to Lakewood

Straight-line distance

23.6mi

Boulder, CO and Lakewood, CO are 23.6 miles (38.0 km) apart in a straight line. From Boulder, the shortest path starts out heading SSE (162°).

kilometers
38.0
nautical miles
20.5
heading from Boulder
162° SSE
heading from Lakewood
343° NNW
BoulderLakewood

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

How far Boulder is from Lakewood

The great-circle distance between the Census internal points of Boulder and Lakewood is 23.6 miles, 38.0 km or 20.5 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 23.6 miles, practically the same at this range.

Measurements

Miles
23.6
Kilometers
38.0
Nautical miles
20.5
Bearing from Boulder
162.5° SSE
Bearing arriving at Lakewood
162.5°
Bearing from Lakewood
342.5° NNW

Halfway between Boulder and Lakewood

The great-circle midpoint is at 39.861669, -105.184291 (39°51'42.01"N 105°11'3.45"W). The nearest incorporated place of 1,000 or more people is Arvada, CO, with 121,873 residents, 2.7 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, Boulder gets 15 h 01 min of daylight and Lakewood 14 h 59 min; on December 21, 9 h 20 min and 9 h 22 min. The two sit at nearly the same latitude, so their day lengths match closely all year.

Population compared

Lakewood has 1.5 times the population of Boulder. From July 2020 to July 2024, Boulder changed by -1.5% and Lakewood by +0.4%. Both are in Colorado.

  1. 01Boulder, CO106,803 (-1.5%)
  2. 02Lakewood, CO156,868 (+0.4%)
July 1, 2024 population and change since July 2020, Census Vintage 2024.

Questions people ask

How far is Boulder from Lakewood?

23.6 miles, 38.0 km or 20.5 nautical miles along the great circle between the two Census internal points. Road distance is longer.

Which direction is Lakewood from Boulder?

SSE. The great-circle path leaves Boulder on a bearing of 162.5° and arrives at Lakewood on 162.5°. The return trip starts on 342.5°.

What is halfway between Boulder and Lakewood?

The midpoint is at 39.861669, -105.184291. The nearest incorporated place of 1,000+ is Arvada, CO, 2.7 miles from it.

Is there a time difference between Boulder and Lakewood?

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

Which is bigger, Boulder or Lakewood?

Lakewood, with 156,868 residents in July 2024 against 106,803 for Boulder, 1.5 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.