California

Distance from Lancaster to Simi Valley

Straight-line distance

44.0mi

Lancaster, CA and Simi Valley, CA are 44.0 miles (70.8 km) apart in a straight line. From Lancaster, the shortest path starts out heading SW (228°).

kilometers
70.8
nautical miles
38.2
heading from Lancaster
228° SW
heading from Simi Valley
48° NE
LancasterSimi Valley

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

How far Lancaster is from Simi Valley

The great-circle distance between the Census internal points of Lancaster and Simi Valley is 44.0 miles, 70.8 km or 38.2 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 44.0 miles, practically the same at this range.

Measurements

Miles
44.0
Kilometers
70.8
Nautical miles
38.2
Bearing from Lancaster
228.1° SW
Bearing arriving at Simi Valley
227.8°
Bearing from Simi Valley
47.8° NE

Halfway between Lancaster and Simi Valley

The great-circle midpoint is at 34.480585, -118.462633 (34°28'50.10"N 118°27'45.48"W). The nearest incorporated place of 1,000 or more people is Santa Clarita, CA, with 229,159 residents, 4.9 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/Los_Angeles, so there is no time difference. On June 21, Lancaster gets 14 h 29 min of daylight and Simi Valley 14 h 27 min; on December 21, 9 h 50 min and 9 h 52 min. The two sit at nearly the same latitude, so their day lengths match closely all year.

Population compared

Lancaster has 1.3 times the population of Simi Valley. From July 2020 to July 2024, Lancaster changed by -3.3% and Simi Valley by -0.5%. Both are in California.

  1. 01Lancaster, CA167,426 (-3.3%)
  2. 02Simi Valley, CA125,778 (-0.5%)
July 1, 2024 population and change since July 2020, Census Vintage 2024.

Questions people ask

How far is Lancaster from Simi Valley?

44.0 miles, 70.8 km or 38.2 nautical miles along the great circle between the two Census internal points. Road distance is longer.

Which direction is Simi Valley from Lancaster?

SW. The great-circle path leaves Lancaster on a bearing of 228.1° and arrives at Simi Valley on 227.8°. The return trip starts on 47.8°.

What is halfway between Lancaster and Simi Valley?

The midpoint is at 34.480585, -118.462633. The nearest incorporated place of 1,000+ is Santa Clarita, CA, 4.9 miles from it.

Is there a time difference between Lancaster and Simi Valley?

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

Which is bigger, Lancaster or Simi Valley?

Lancaster, with 167,426 residents in July 2024 against 125,778 for Simi Valley, 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.