Maryland to Pennsylvania

Distance from Baltimore to Philadelphia

Straight-line distance

92.6mi

Baltimore, MD and Philadelphia, PA are 92.6 miles (149.0 km) apart in a straight line. From Baltimore, the shortest path starts out heading ENE (58°).

kilometers
149.0
nautical miles
80.5
heading from Baltimore
58° ENE
heading from Philadelphia
239° WSW
BaltimorePhiladelphia

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

How far Baltimore is from Philadelphia

The great-circle distance between the Census internal points of Baltimore and Philadelphia is 92.6 miles, 149.0 km or 80.5 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 92.6 miles, practically the same at this range.

Measurements

Miles
92.6
Kilometers
149.0
Nautical miles
80.5
Bearing from Baltimore
57.6° ENE
Bearing arriving at Philadelphia
58.5°
Bearing from Philadelphia
238.5° WSW

Halfway between Baltimore and Philadelphia

The great-circle midpoint is at 39.657039, -75.875690 (39°39'25.34"N 75°52'32.48"W). The nearest incorporated place of 1,000 or more people is Elkton, MD, with 15,977 residents, 4.5 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, Baltimore gets 14 h 56 min of daylight and Philadelphia 15 h 01 min; on December 21, 9 h 24 min and 9 h 20 min. Philadelphia is 0.71° farther north, so it has the longer summer days and the shorter winter ones.

Population compared

Philadelphia has 2.8 times the population of Baltimore. From July 2020 to July 2024, Baltimore changed by -2.6% and Philadelphia by -1.7%. The trip crosses from Maryland into Pennsylvania.

  1. 01Baltimore, MD568,271 (-2.6%)
  2. 02Philadelphia, PA1,573,916 (-1.7%)
July 1, 2024 population and change since July 2020, Census Vintage 2024.

Questions people ask

How far is Baltimore from Philadelphia?

92.6 miles, 149.0 km or 80.5 nautical miles along the great circle between the two Census internal points. Road distance is longer.

Which direction is Philadelphia from Baltimore?

ENE. The great-circle path leaves Baltimore on a bearing of 57.6° and arrives at Philadelphia on 58.5°. The return trip starts on 238.5°.

What is halfway between Baltimore and Philadelphia?

The midpoint is at 39.657039, -75.875690. The nearest incorporated place of 1,000+ is Elkton, MD, 4.5 miles from it.

Is there a time difference between Baltimore and Philadelphia?

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

Which is bigger, Baltimore or Philadelphia?

Philadelphia, with 1,573,916 residents in July 2024 against 568,271 for Baltimore, 2.8 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.