Maryland to District of Columbia

Distance from Baltimore to Washington

Straight-line distance

35.0mi

Baltimore, MD and Washington, DC are 35.0 miles (56.3 km) apart in a straight line. From Baltimore, the shortest path starts out heading SW (219°).

kilometers
56.3
nautical miles
30.4
heading from Baltimore
219° SW
heading from Washington
38° NE
BaltimoreWashington

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

How far Baltimore is from Washington

The great-circle distance between the Census internal points of Baltimore and Washington is 35.0 miles, 56.3 km or 30.4 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 35.0 miles, practically the same at this range.

Measurements

Miles
35.0
Kilometers
56.3
Nautical miles
30.4
Bearing from Baltimore
218.6° SW
Bearing arriving at Washington
218.4°
Bearing from Washington
38.4° NE

Halfway between Baltimore and Washington

The great-circle midpoint is at 39.102276, -76.814070 (39°06'8.19"N 76°48'50.65"W). The nearest incorporated place of 1,000 or more people is Laurel, MD, with 30,238 residents, 2.5 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 Washington 14 h 54 min; on December 21, 9 h 24 min and 9 h 26 min. The two sit at nearly the same latitude, so their day lengths match closely all year.

Population compared

Washington has 1.2 times the population of Baltimore. From July 2020 to July 2024, Baltimore changed by -2.6% and Washington by +4.7%. The trip crosses from Maryland into District of Columbia.

  1. 01Baltimore, MD568,271 (-2.6%)
  2. 02Washington, DC702,250 (+4.7%)
July 1, 2024 population and change since July 2020, Census Vintage 2024.

Questions people ask

How far is Baltimore from Washington?

35.0 miles, 56.3 km or 30.4 nautical miles along the great circle between the two Census internal points. Road distance is longer.

Which direction is Washington from Baltimore?

SW. The great-circle path leaves Baltimore on a bearing of 218.6° and arrives at Washington on 218.4°. The return trip starts on 38.4°.

What is halfway between Baltimore and Washington?

The midpoint is at 39.102276, -76.814070. The nearest incorporated place of 1,000+ is Laurel, MD, 2.5 miles from it.

Is there a time difference between Baltimore and Washington?

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

Which is bigger, Baltimore or Washington?

Washington, with 702,250 residents in July 2024 against 568,271 for Baltimore, 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.