LENGTH & BREADTH (in miles)
Longest east-west: 198.6 miles-Fairfax Stone to Delaware Line.

Longest north-south: 125.5 miles-Pennsylvania line to Virginia line at Smith Point on south shore mouth of Potomac River.

Shortest north-south: 1.9 miles-Pennsylvania line to south bank of Potomac River near Hancock.

Farthest points: northwest corner to southeast corner at Atlantic Ocean, 254.7 miles.

Mallards, Annapolis, Maryland, May 2000. Photo by Diane F. Evartt.

AREA BY COUNTY (in square miles)
Land Area	Water Area	Total Area
Allegany	427.62	0.38	428.00
Anne Arundel	418.37	35.24	453.61
Baltimore City	80.34	11.67	92.01
Baltimore	597.60	34.99	632.59
Calvert	213.23	27.09	240.32
Caroline	320.79	3.60	324.39
Carroll	451.98	0.47	452.45
Cecil	359.55	21.20	380.75
Charles	451.58	35.20	486.78
Dorchester	593.22	67.75	660.97
Frederick	662.72	4.60	667.32
Garrett	656.83	7.58	664.41
Harford	447.64	16.50	464.14
Howard	251.00	2.51	253.51
Kent	278.34	25.30	303.64
Montgomery	495.44	10.14	505.58
Prince George's	487.01	12.20	499.21
Queen Anne's	371.86	29.20	401.06
St. Mary's	372.54	37.68	410.22
Somerset	338.41	35.85	374.26
Talbot	258.62	67.70	326.32
Washington	454.97	12.10	467.07
Wicomico	379.10	14.40	393.50
Worcester	474.86	110.00	584.86