índex ultraviolat a Washington (1.4 mi.) | índex ultraviolat a Kingman Lake (2.2 mi.) | índex ultraviolat a Kenilworth Aquatic Garden (3 mi.) | índex ultraviolat a Bellevue (4 mi.) | índex ultraviolat a Alexandria (5 mi.) | índex ultraviolat a Bladensburg (5 mi.) | índex ultraviolat a Marshall Hall (14 mi.) | índex ultraviolat a Indian Head (21 mi.) | índex ultraviolat a Lower Marlboro (22 mi.) | índex ultraviolat a Gingerville Creek (South River) (24 mi.) | índex ultraviolat a Rhode River (county Wharf) (24 mi.) | índex ultraviolat a Edgewater (South River) (25 mi.) | índex ultraviolat a Galesville (West River) (25 mi.) | índex ultraviolat a Rose Haven (26 mi.) | índex ultraviolat a Brewer Point (27 mi.) | índex ultraviolat a Chesapeake Beach (28 mi.) | índex ultraviolat a Annapolis (29 mi.) | índex ultraviolat a Quantico (29 mi.) | índex ultraviolat a Goose Creek (29 mi.) | índex ultraviolat a Thomas Point Shoal Light (30 mi.)