Pennsylvania to Maryland

Distance from Allentown to Baltimore

Straight-line distance

107.6mi

Allentown, PA and Baltimore, MD are 107.6 miles (173.2 km) apart in a straight line. From Allentown, the shortest path starts out heading SW (214°).

kilometers
173.2
nautical miles
93.5
heading from Allentown
214° SW
heading from Baltimore
33° NNE
AllentownBaltimore

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

How far Allentown is from Baltimore

The great-circle distance between the Census internal points of Allentown and Baltimore is 107.6 miles, 173.2 km or 93.5 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 107.6 miles, practically the same at this range.

Measurements

Miles
107.6
Kilometers
173.2
Nautical miles
93.5
Bearing from Allentown
214.2° SW
Bearing arriving at Baltimore
213.5°
Bearing from Baltimore
33.5° NNE

Halfway between Allentown and Baltimore

The great-circle midpoint is at 39.948176, -76.049802 (39°56'53.43"N 76°02'59.29"W). The nearest incorporated place of 1,000 or more people is Christiana, PA, with 1,100 residents, 2.8 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, Allentown gets 15 h 05 min of daylight and Baltimore 14 h 56 min; on December 21, 9 h 16 min and 9 h 24 min. Allentown is 1.29° farther north, so it has the longer summer days and the shorter winter ones.

Population compared

Baltimore has 4.5 times the population of Allentown. From July 2020 to July 2024, Allentown changed by +1.1% and Baltimore by -2.6%. The trip crosses from Pennsylvania into Maryland.

  1. 01Allentown, PA127,138 (+1.1%)
  2. 02Baltimore, MD568,271 (-2.6%)
July 1, 2024 population and change since July 2020, Census Vintage 2024.

Questions people ask

How far is Allentown from Baltimore?

107.6 miles, 173.2 km or 93.5 nautical miles along the great circle between the two Census internal points. Road distance is longer.

Which direction is Baltimore from Allentown?

SW. The great-circle path leaves Allentown on a bearing of 214.2° and arrives at Baltimore on 213.5°. The return trip starts on 33.5°.

What is halfway between Allentown and Baltimore?

The midpoint is at 39.948176, -76.049802. The nearest incorporated place of 1,000+ is Christiana, PA, 2.8 miles from it.

Is there a time difference between Allentown and Baltimore?

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

Which is bigger, Allentown or Baltimore?

Baltimore, with 568,271 residents in July 2024 against 127,138 for Allentown, 4.5 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.