| distance | reference number | name | latitude | longitude |
| 10.8 | 494 | Cedar Point, Severn River, Virginia | 39.0667 | -76.5667 |
| 12.6 | 1825 | Middle Branch, Patapsco River, Baltimore Harbor, Ma | 39.2667 | -76.6333 |
| 13.1 | 335 | Brewer Point, Severn River, Maryland | 39.0333 | -76.5333 |
| 13.8 | 1106 | Gingerville Creek, Maryland | 38.9667 | -76.55 |
| 14.3 | 880 | Edgewater, South River, Maryland | 38.95 | -76.55 |
| 14.6 | 1251 | Hawkins Point, Patapsco River, Maryland | 39.2083 | -76.5333 |
| 14.7 | 137 | Baltimore (Fort McHenry), Maryland | 39.2667 | -76.5783 |
| 14.9 | 273 | Bladensburg, Anacostia River, Maryland | 38.9333 | -76.9383 |
| 15.2 | 969 | Fells Point, Baltimore Harbor, Maryland | 39.2833 | -76.5833 |
| 15.7 | 1019 | Fort Carroll, Patapsco River, Maryland | 39.2167 | -76.5167 |
| 17.1 | 75 | Annapolis (US Naval Academy), Severn River, Marylan | 38.9833 | -76.48 |
| 17.1 | 3169 | U.S. Naval Academy, Annapolis, Maryland | 38.9833 | -76.48 |
| 17.4 | 1271 | Hills Bridge (Route 4), Maryland | 38.8 | -76.7167 |
| 17.4 | 233 | Benning Bridge, Anacostia River, Washington, D.C. | 38.9 | -76.9667 |
| 17.7 | 2533 | Rhode River (County Wharf), Maryland | 38.8833 | -76.5333 |
| 18.8 | 1904 | Mountain Point, Magothy River, Maryland | 39.0667 | -76.4333 |
| 18.9 | 2042 | North Point, Patapsco River, Maryland | 39.2 | -76.45 |
| 19.2 | 1167 | Greenbury Point Shoal Light, Maryland | 38.9667 | -76.45 |
| 19.8 | 2748 | Shady Side, West River, Maryland | 38.85 | -76.5167 |
| 19.9 | 1065 | Galesville, West River, Maryland | 38.8333 | -76.5333 |
| 20.0 | 180 | Bay Ridge, Maryland | 38.9333 | -76.45 |
| 20.1 | 2743 | Sevenfoot Knoll Light, Maryland | 39.15 | -76.4167 |
| 20.3 | 59 | Anacostia Bridge, Anacostia River, Washington, D.C. | 38.8667 | -77 |
| 21.0 | 3268 | Washington, Potomac River, D.C. | 38.8733 | -77.0217 |
| 21.9 | 3077 | Thomas Point Shoal Light, Maryland | 38.9 | -76.4333 |