| distance | reference number  | name |  latitude  |  longitude | 
| 6.0 | 1266  | High Point, Occoquan Bay, Virginia                   |  38.6167  |  -77.2 | 
| 7.4 | 1377  | Indian Head, Maryland                                |  38.6  |  -77.1833 | 
| 7.7 | 750  | Deep Point, Mattawoman Creek, Maryland               |  38.5667  |  -77.2167 | 
| 8.7 | 1183  | Gunston Cove, Virginia                               |  38.6667  |  -77.1333 | 
| 9.5 | 1114  | Glymont, Maryland                                    |  38.6167  |  -77.1333 | 
| 9.8 | 2475  | Quantico Creek, Virginia                             |  38.5167  |  -77.2833 | 
| 10.7 | 1767  | Marshall Hall, Maryland                              |  38.6833  |  -77.1 | 
| 11.8 | 1903  | Mount Vernon, Virginia                               |  38.7  |  -77.0833 | 
| 12.8 | 1660  | Liverpool Point, Maryland                            |  38.4667  |  -77.2667 | 
| 14.9 | 1041  | Fort Washington, Maryland                            |  38.7167  |  -77.0333 | 
| 14.9 | 2553  | Riverview, Maryland                                  |  38.7167  |  -77.0333 | 
| 15.8 | 591  | Clifton Beach, Maryland                              |  38.4167  |  -77.2667 | 
| 16.4 | 88  | Aquia Creek, Virginia                                |  38.4167  |  -77.35 | 
| 16.4 | 35  | Alexandria, Virginia                                 |  38.8  |  -77.0333 | 
| 17.3 | 222  | Bellevue, Washington, D.C.                           |  38.8333  |  -77.0333 | 
| 17.8 | 502  | Chain Bridge, one mile below, Washington, D.C.       |  38.9167  |  -77.1 | 
| 17.9 | 2509  | Reagan National Airport, Washington, D.C.            |  38.85  |  -77.0333 | 
| 18.0 | 503  | Chain Bridge, Washington, D.C.                       |  38.9333  |  -77.1167 | 
| 18.3 | 1495  | Key Bridge, Washington, D.C.                         |  38.9  |  -77.0667 | 
| 19.3 | 3268  | Washington, Potomac River, D.C.                      |  38.8733  |  -77.0217 | 
| 19.4 | 2551  | Riverside, Maryland                                  |  38.3833  |  -77.15 | 
| 19.4 | 1124  | Goose Bay, Port Tobacco River, Maryland              |  38.45  |  -77.05 | 
| 20.1 | 59  | Anacostia Bridge, Anacostia River, Washington, D.C.  |  38.8667  |  -77 | 
| 20.3 | 1771  | Maryland Point Light, Maryland                       |  38.35  |  -77.2 | 
| 20.5 | 3185  | Upper Cedar Point Light, Maryland                    |  38.4  |  -77.0833 |