St. Mary’s County is centrally located within the Mid-Atlantic Corridor and easy to get to. Less than an hour south of Washington, D.C., there are easy connections from Interstate 95. Once here, touring about the entire peninsula is just a matter of following the loop made up of Route 5 and Route 235.
From Annapolis: Follow Maryland Route 4 to Maryland Route 2/4 through Calvert County to Solomons. Cross the Governor Thomas Johnson Bridge into St. Mary’s County.
From Baltimore: Follow I-97 South to Route 3 through Bowie to Route 301 South. Turn left onto Mattawoman Beantown Road. Follow Mattawoman Beantown Road to the intersection of Route 5. Turn left onto Route 5 South. Follow Route 5 into St. Mary’s County.
From Richmond: Follow Route 95 North to Route 207. Take Route 207 East to Route 301. Follow Route 301 across Potomac on the Harry Nice Bridge. Four miles into Maryland, turn right (south) onto Route 234. Take Route 234 to St. Mary’s County.
From Washington, D.C.: Follow I-495/I-95 North, cross the Woodrow Wilson Bridge into Maryland. Take 1st exit, Indian Head Highway/Route. 210 South. Make a left on Route 228 toward Waldorf. Route 228 becomes Route 5 after crossing Route 301 in Waldorf. Follow Route 5 to St. Mary’s County.
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Baltimore-Washington International Thurgood Marshall Airport (BWI)
Located in Baltimore
Travel Time: one hour, twenty minutes
Reagan National Airport (DCA)
Located in Washington, DC
Travel Time: one hour
Dulles Washington (IAD)
Located in Northern Virginia
Travel Time: one hour, 35 minutes
Captain Walter F. Duke Regional Airport (St. Mary’s County Airport)
Services provided include aircraft hangar leasing, grass and paved tie-downs, charter service, low lead and Jet A fueling and main¬tenance/repair services.
Stations in Washington, DC, New Carrollton, and Baltimore
Local Public Transportation
St. Mary’s Transit Buses (STS)
301-863-8400 x1120 or x1121
Private Shuttle Services
Southern Maryland Express
Martin’s Airport Shuttle
National Car Rental
Next Car Rentals
St. Mary's Rent-A-Car
Important Telephone Numbers
St. Mary’s County Sheriff’s Office
Maryland State Police Barrack “T”
MedStar St. Mary's Hospital
St. Mary’s County Government
St. Mary’s County Library