| distance | reference number | name | latitude | longitude |
| 18.0 | 2205 | Pawtucket, Seekonk River, Narragansett Bay, Rhode I | 41.8683 | -71.38 |
| 19.6 | 2604 | Rumford, Seekonk River, Rhode Island | 41.84 | -71.3733 |
| 20.3 | 1960 | Neponset, Neponset River, Massachusetts | 42.285 | -71.04 |
| 21.5 | 311 | Boston, Boston Harbor, Massachusetts | 42.355 | -71.0517 |
| 21.7 | 51 | Amelia Earhart Dam, Mystic River, Massachusetts | 42.395 | -71.0767 |
| 21.8 | 2452 | Providence, Providence River, Rhode Island | 41.8067 | -71.4017 |
| 21.8 | 2944 | State Pier No. 1, Providence, Rhode Island | 41.8067 | -71.4017 |
| 22.2 | 519 | Charlestown, Charles River, Massachusetts | 42.375 | -71.05 |
| 23.7 | 1884 | Moon Head, Massachusetts | 42.3083 | -70.9883 |
| 23.8 | 3316 | Weymouth Fore River Bridge, Massachusetts | 42.245 | -70.9683 |
| 24.0 | 531 | Chelsea St. Bridge, Chelsea River, Massachusetts | 42.3867 | -71.0233 |
| 24.4 | 2206 | Pawtuxet, Pawtuxet Cove, Rhode Island | 41.7617 | -71.3883 |
| 24.9 | 378 | Bullock Cove, Bay Spring, Rhode Island | 41.7517 | -71.3517 |
| 25.0 | 2068 | Nut Island, Quincy Bay, Massachusetts | 42.28 | -70.955 |
| 26.2 | 751 | Deer Island (south end), Boston Harbor, Massachuset | 42.345 | -70.9583 |
| 27.0 | 624 | Conimicut Light, Narragansett Bay, Rhode Island | 41.7167 | -71.3433 |
| 27.4 | 1339 | Hull, Massachusetts | 42.3033 | -70.92 |
| 28.4 | 694 | Crow Point, Hingham Harbor entrance, Massachusetts | 42.2617 | -70.8933 |
| 28.5 | 346 | Bristol Highlands, Narragansett Bay, Rhode Island | 41.6967 | -71.2933 |
| 28.7 | 1279 | Hingham, Massachusetts | 42.2467 | -70.885 |
| 29.5 | 310 | Boston Light, Boston Harbor, Massachusetts | 42.3283 | -70.8917 |
| 30.0 | 956 | Fall River, Hopoe Bay, Massachusetts | 41.705 | -71.1633 |
| 30.0 | 957 | Fall River, State Pier, Narragansett Bay, Rhode Isl | 41.705 | -71.1633 |
| 30.3 | 347 | Bristol, Bristol Harbor, Narragansett Bay, Rhode Is | 41.6683 | -71.2783 |
| 30.3 | 1720 | Lynn, Lynn Harbor, Massachusetts | 42.4583 | -70.9433 |