| distance | reference number | name | latitude | longitude |
| 0.9 | 2059 | Nottingham, Patuxent River, Maryland | 38.7167 | -76.7 |
| 4.4 | 1271 | Hills Bridge (Route 4), Maryland | 38.8 | -76.7167 |
| 4.6 | 1707 | Lower Marlboro, Patuxent River, Maryland | 38.655 | -76.6833 |
| 4.9 | 1706 | Lower Marlboro, Maryland | 38.65 | -76.6833 |
| 9.7 | 953 | Fairhaven, Herring Bay, Maryland | 38.75 | -76.55 |
| 10.6 | 2588 | Rose Haven, Maryland | 38.7167 | -76.5333 |
| 10.9 | 541 | Chesapeake Beach, Maryland | 38.6833 | -76.5333 |
| 12.4 | 1065 | Galesville, West River, Maryland | 38.8333 | -76.5333 |
| 12.9 | 229 | Benedict, Patuxent River, Maryland | 38.5167 | -76.6667 |
| 13.4 | 2285 | Plum Point, Maryland | 38.6167 | -76.5167 |
| 13.7 | 2748 | Shady Side, West River, Maryland | 38.85 | -76.5167 |
| 14.1 | 2533 | Rhode River (County Wharf), Maryland | 38.8833 | -76.5333 |
| 16.4 | 880 | Edgewater, South River, Maryland | 38.95 | -76.55 |
| 17.3 | 1106 | Gingerville Creek, Maryland | 38.9667 | -76.55 |
| 18.4 | 273 | Bladensburg, Anacostia River, Maryland | 38.9333 | -76.9383 |
| 18.5 | 233 | Benning Bridge, Anacostia River, Washington, D.C. | 38.9 | -76.9667 |
| 19.3 | 59 | Anacostia Bridge, Anacostia River, Washington, D.C. | 38.8667 | -77 |
| 19.4 | 1041 | Fort Washington, Maryland | 38.7167 | -77.0333 |
| 19.4 | 2553 | Riverview, Maryland | 38.7167 | -77.0333 |
| 19.6 | 3077 | Thomas Point Shoal Light, Maryland | 38.9 | -76.4333 |
| 19.7 | 281 | Bloody Point Bar Light, Maryland | 38.8333 | -76.4 |
| 19.8 | 2342 | Poplar Island, Maryland | 38.7667 | -76.3833 |
| 19.9 | 35 | Alexandria, Virginia | 38.8 | -77.0333 |
| 19.9 | 180 | Bay Ridge, Maryland | 38.9333 | -76.45 |
| 20.4 | 222 | Bellevue, Washington, D.C. | 38.8333 | -77.0333 |