| distance | reference number  | name |  latitude  |  longitude | 
| 38.0 | 503  | Chain Bridge, Washington, D.C.                       |  38.9333  |  -77.1167 | 
| 39.4 | 502  | Chain Bridge, one mile below, Washington, D.C.       |  38.9167  |  -77.1 | 
| 41.5 | 1495  | Key Bridge, Washington, D.C.                         |  38.9  |  -77.0667 | 
| 44.4 | 3268  | Washington, Potomac River, D.C.                      |  38.8733  |  -77.0217 | 
| 45.1 | 2509  | Reagan National Airport, Washington, D.C.            |  38.85  |  -77.0333 | 
| 45.4 | 273  | Bladensburg, Anacostia River, Maryland               |  38.9333  |  -76.9383 | 
| 45.5 | 233  | Benning Bridge, Anacostia River, Washington, D.C.    |  38.9  |  -76.9667 | 
| 45.6 | 59  | Anacostia Bridge, Anacostia River, Washington, D.C.  |  38.8667  |  -77 | 
| 45.8 | 222  | Bellevue, Washington, D.C.                           |  38.8333  |  -77.0333 | 
| 47.4 | 35  | Alexandria, Virginia                                 |  38.8  |  -77.0333 | 
| 50.8 | 1903  | Mount Vernon, Virginia                               |  38.7  |  -77.0833 | 
| 51.1 | 1183  | Gunston Cove, Virginia                               |  38.6667  |  -77.1333 | 
| 51.2 | 1767  | Marshall Hall, Maryland                              |  38.6833  |  -77.1 | 
| 51.5 | 1041  | Fort Washington, Maryland                            |  38.7167  |  -77.0333 | 
| 51.5 | 2553  | Riverview, Maryland                                  |  38.7167  |  -77.0333 | 
| 52.3 | 1266  | High Point, Occoquan Bay, Virginia                   |  38.6167  |  -77.2 | 
| 53.4 | 1825  | Middle Branch, Patapsco River, Baltimore Harbor, Ma  |  39.2667  |  -76.6333 | 
| 53.6 | 1377  | Indian Head, Maryland                                |  38.6  |  -77.1833 | 
| 53.8 | 1114  | Glymont, Maryland                                    |  38.6167  |  -77.1333 | 
| 54.8 | 750  | Deep Point, Mattawoman Creek, Maryland               |  38.5667  |  -77.2167 | 
| 56.2 | 969  | Fells Point, Baltimore Harbor, Maryland              |  39.2833  |  -76.5833 | 
| 56.6 | 2475  | Quantico Creek, Virginia                             |  38.5167  |  -77.2833 | 
| 56.6 | 137  | Baltimore (Fort McHenry), Maryland                   |  39.2667  |  -76.5783 | 
| 59.7 | 1660  | Liverpool Point, Maryland                            |  38.4667  |  -77.2667 | 
| 60.0 | 1251  | Hawkins Point, Patapsco River, Maryland              |  39.2083  |  -76.5333 |