Massachusetts

Distance from Boston to Brockton

Straight-line distance

17.7mi

Boston, MA and Brockton, MA are 17.7 miles (28.5 km) apart in a straight line. From Boston, the shortest path starts out heading S (181°).

kilometers
28.5
nautical miles
15.4
heading from Boston
181° S
heading from Brockton
1° N
BostonBrockton

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

How far Boston is from Brockton

The great-circle distance between the Census internal points of Boston and Brockton is 17.7 miles, 28.5 km or 15.4 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 17.7 miles, practically the same at this range.

Measurements

Miles
17.7
Kilometers
28.5
Nautical miles
15.4
Bearing from Boston
181.0° S
Bearing arriving at Brockton
181.0°
Bearing from Brockton
1.0° N

Halfway between Boston and Brockton

The great-circle midpoint is at 42.210550, -71.021456 (42°12'37.98"N 71°01'17.24"W). The nearest incorporated place of 1,000 or more people is Braintree Town, MA, with 39,134 residents, 1.1 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/New_York, so there is no time difference. On June 21, Boston gets 15 h 17 min of daylight and Brockton 15 h 15 min; on December 21, 9 h 05 min and 9 h 06 min. The two sit at nearly the same latitude, so their day lengths match closely all year.

Population compared

Boston has 6.4 times the population of Brockton. From July 2020 to July 2024, Boston changed by -0.3% and Brockton by +0.3%. Both are in Massachusetts.

  1. 01Boston, MA673,458 (-0.3%)
  2. 02Brockton, MA105,788 (+0.3%)
July 1, 2024 population and change since July 2020, Census Vintage 2024.

Questions people ask

How far is Boston from Brockton?

17.7 miles, 28.5 km or 15.4 nautical miles along the great circle between the two Census internal points. Road distance is longer.

Which direction is Brockton from Boston?

S. The great-circle path leaves Boston on a bearing of 181.0° and arrives at Brockton on 181.0°. The return trip starts on 1.0°.

What is halfway between Boston and Brockton?

The midpoint is at 42.210550, -71.021456. The nearest incorporated place of 1,000+ is Braintree Town, MA, 1.1 miles from it.

Is there a time difference between Boston and Brockton?

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

Which is bigger, Boston or Brockton?

Boston, with 673,458 residents in July 2024 against 105,788 for Brockton, 6.4 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.