| distance | reference number  | name |  latitude  |  longitude | 
| 3.1 | 503  | Chain Bridge, Washington, D.C.                       |  38.9333  |  -77.1167 | 
| 4.4 | 502  | Chain Bridge, one mile below, Washington, D.C.       |  38.9167  |  -77.1 | 
| 6.6 | 1495  | Key Bridge, Washington, D.C.                         |  38.9  |  -77.0667 | 
| 9.8 | 3268  | Washington, Potomac River, D.C.                      |  38.8733  |  -77.0217 | 
| 9.9 | 2509  | Reagan National Airport, Washington, D.C.            |  38.85  |  -77.0333 | 
| 10.5 | 222  | Bellevue, Washington, D.C.                           |  38.8333  |  -77.0333 | 
| 11.1 | 59  | Anacostia Bridge, Anacostia River, Washington, D.C.  |  38.8667  |  -77 | 
| 11.9 | 35  | Alexandria, Virginia                                 |  38.8  |  -77.0333 | 
| 12.4 | 233  | Benning Bridge, Anacostia River, Washington, D.C.    |  38.9  |  -76.9667 | 
| 13.8 | 273  | Bladensburg, Anacostia River, Maryland               |  38.9333  |  -76.9383 | 
| 15.6 | 1903  | Mount Vernon, Virginia                               |  38.7  |  -77.0833 | 
| 15.9 | 1041  | Fort Washington, Maryland                            |  38.7167  |  -77.0333 | 
| 15.9 | 2553  | Riverview, Maryland                                  |  38.7167  |  -77.0333 | 
| 16.2 | 1767  | Marshall Hall, Maryland                              |  38.6833  |  -77.1 | 
| 16.9 | 1183  | Gunston Cove, Virginia                               |  38.6667  |  -77.1333 | 
| 19.8 | 1266  | High Point, Occoquan Bay, Virginia                   |  38.6167  |  -77.2 | 
| 19.8 | 1114  | Glymont, Maryland                                    |  38.6167  |  -77.1333 | 
| 20.8 | 1377  | Indian Head, Maryland                                |  38.6  |  -77.1833 | 
| 22.9 | 750  | Deep Point, Mattawoman Creek, Maryland               |  38.5667  |  -77.2167 | 
| 26.6 | 2475  | Quantico Creek, Virginia                             |  38.5167  |  -77.2833 | 
| 28.4 | 1271  | Hills Bridge (Route 4), Maryland                     |  38.8  |  -76.7167 | 
| 29.3 | 1660  | Liverpool Point, Maryland                            |  38.4667  |  -77.2667 | 
| 30.6 | 1124  | Goose Bay, Port Tobacco River, Maryland              |  38.45  |  -77.05 | 
| 31.2 | 2059  | Nottingham, Patuxent River, Maryland                 |  38.7167  |  -76.7 | 
| 32.3 | 591  | Clifton Beach, Maryland                              |  38.4167  |  -77.2667 |