Michigan

Distance from Ann Arbor to Dearborn

Straight-line distance

26.7mi

Ann Arbor, MI and Dearborn, MI are 26.7 miles (42.9 km) apart in a straight line. From Ann Arbor, the shortest path starts out heading E (84°).

kilometers
42.9
nautical miles
23.2
heading from Ann Arbor
84° E
heading from Dearborn
265° W
Ann ArborDearborn

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

How far Ann Arbor is from Dearborn

The great-circle distance between the Census internal points of Ann Arbor and Dearborn is 26.7 miles, 42.9 km or 23.2 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 26.7 miles, practically the same at this range.

Measurements

Miles
26.7
Kilometers
42.9
Nautical miles
23.2
Bearing from Ann Arbor
84.3° E
Bearing arriving at Dearborn
84.7°
Bearing from Dearborn
264.7° W

Halfway between Ann Arbor and Dearborn

The great-circle midpoint is at 42.294893, -83.471276 (42°17'41.61"N 83°28'16.59"W). The nearest incorporated place of 1,000 or more people is Wayne, MI, with 17,129 residents, 4.4 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/Detroit, so there is no time difference. On June 21, Ann Arbor gets 15 h 17 min of daylight and Dearborn 15 h 17 min; on December 21, 9 h 05 min and 9 h 05 min. The two sit at nearly the same latitude, so their day lengths match closely all year.

Population compared

Ann Arbor has 1.2 times the population of Dearborn. From July 2020 to July 2024, Ann Arbor changed by -0.7% and Dearborn by -2.9%. Both are in Michigan.

  1. 01Ann Arbor, MI122,925 (-0.7%)
  2. 02Dearborn, MI106,377 (-2.9%)
July 1, 2024 population and change since July 2020, Census Vintage 2024.

Questions people ask

How far is Ann Arbor from Dearborn?

26.7 miles, 42.9 km or 23.2 nautical miles along the great circle between the two Census internal points. Road distance is longer.

Which direction is Dearborn from Ann Arbor?

E. The great-circle path leaves Ann Arbor on a bearing of 84.3° and arrives at Dearborn on 84.7°. The return trip starts on 264.7°.

What is halfway between Ann Arbor and Dearborn?

The midpoint is at 42.294893, -83.471276. The nearest incorporated place of 1,000+ is Wayne, MI, 4.4 miles from it.

Is there a time difference between Ann Arbor and Dearborn?

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

Which is bigger, Ann Arbor or Dearborn?

Ann Arbor, with 122,925 residents in July 2024 against 106,377 for Dearborn, 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.