| distance | reference number  | name |  latitude  |  longitude | 
| 13.5 | 2552  | Riverside, Merrimack River, Massachusetts            |  42.7633  |  -71.0767 | 
| 17.5 | 1811  | Merrimacport, Merrimack River, Massachusetts         |  42.825  |  -70.9883 | 
| 22.2 | 2635  | Salisbury Point, Merrimack River, Massachusetts      |  42.8383  |  -70.9083 | 
| 24.5 | 2903  | Squamscott River RR. Bridge, Piscataqua River, New   |  43.0533  |  -70.9133 | 
| 24.9 | 1989  | Newburyport, Merrimack River, Massachusetts          |  42.8117  |  -70.865 | 
| 27.6 | 2284  | Plum Island, Merrimack River Entrance, Merrimack Ri  |  42.8167  |  -70.82 | 
| 27.7 | 1209  | Hampton Harbor, New Hampshire                        |  42.9  |  -70.8167 | 
| 30.5 | 805  | Dover Point, Piscataqua River, New Hampshire         |  43.1167  |  -70.8333 | 
| 30.8 | 51  | Amelia Earhart Dam, Mystic River, Massachusetts      |  42.395  |  -71.0767 | 
| 30.8 | 2283  | Plum Island Sound (south end), Massachusetts         |  42.71  |  -70.7883 | 
| 31.5 | 807  | Dover, Piscataqua River, Cocheco River, New Hampshi  |  43.1983  |  -70.8683 | 
| 31.6 | 2633  | Salem Harbor, Salem, Massachusetts                   |  42.5233  |  -70.8767 | 
| 31.6 | 1720  | Lynn, Lynn Harbor, Massachusetts                     |  42.4583  |  -70.9433 | 
| 32.5 | 519  | Charlestown, Charles River, Massachusetts            |  42.375  |  -71.05 | 
| 32.6 | 531  | Chelsea St. Bridge, Chelsea River, Massachusetts     |  42.3867  |  -71.0233 | 
| 33.1 | 934  | Essex, Massachusetts                                 |  42.6317  |  -70.7767 | 
| 33.3 | 2637  | Salmon Falls River entrance, Piscataqua River, New   |  43.19  |  -70.825 | 
| 33.4 | 111  | Atlantic Heights, Piscataqua River, New Hampshire    |  43.09  |  -70.7667 | 
| 33.6 | 311  | Boston, Boston Harbor, Massachusetts                 |  42.355  |  -71.0517 | 
| 33.9 | 2436  | Portsmouth, Portsmouth Harbor, New Hampshire         |  43.0783  |  -70.7517 | 
| 34.2 | 2727  | Seavey Island, Portsmouth Harbor, Maine (sub)        |  43.0833  |  -70.75 | 
| 34.5 | 2726  | Seavey Island, Portsmouth Harbor, Maine              |  43.08  |  -70.7417 | 
| 34.6 | 1408  | Jaffrey Point, Portsmouth Harbor, Maine              |  43.0567  |  -70.7317 | 
| 36.0 | 1033  | Fort Point, New Hampshire                            |  43.0717  |  -70.7117 | 
| 36.0 | 1034  | Fort Point, Portsmouth Harbor, New Hampshire         |  43.0717  |  -70.7117 |