| distance | reference number | name | latitude | longitude |
| 18.2 | 1757 | Marcus Hook, Pennsylvania (sub) | 39.8117 | -75.4117 |
| 18.3 | 1756 | Marcus Hook, Pennsylvania | 39.8117 | -75.41 |
| 18.5 | 877 | Edgemoor, Delaware | 39.75 | -75.4933 |
| 18.7 | 1842 | Millside, RR. bridge, Christina River, Delaware | 39.725 | -75.56 |
| 19.7 | 3353 | Wilmington Marine Terminal, Delaware | 39.7183 | -75.52 |
| 20.8 | 2212 | Pedricktown, Oldmans Creek, New Jersey | 39.7617 | -75.4033 |
| 20.9 | 342 | Bridgeport, Raccoon Creek, New Jersey, Delaware Riv | 39.8067 | -75.355 |
| 21.1 | 3255 | Wanamaker Bridge, Darby Creek, Pennsylvania | 39.8767 | -75.305 |
| 21.8 | 2058 | Norwood City, Darby Creek, Pennsylvania | 39.88 | -75.29 |
| 21.9 | 2632 | Salem Canal entrance, Delaware River, New Jersey | 39.6833 | -75.51 |
| 22.6 | 3098 | Tinicum National Wildlife Refuge, Darby Creek, Penn | 39.8783 | -75.2767 |
| 22.7 | 1970 | New Castle, Chesapeake and Delaware Canal, Delaware | 39.6567 | -75.5617 |
| 23.1 | 3099 | Tinicum National Wildlife Refuge, Darby Creek, Penn | 39.8867 | -75.265 |
| 24.6 | 114 | Auburn, Oldmans Creek, New Jersey | 39.715 | -75.36 |
| 24.8 | 255 | Billingsport, New Jersey | 39.85 | -75.25 |
| 25.8 | 2202 | Paulsboro, Mantua Creek, New Jersey | 39.835 | -75.2383 |
| 25.8 | 2222 | Penrose Avenue Bridge, Schuylkill River, Pennsylvan | 39.8983 | -75.2117 |
| 26.9 | 1762 | Market Street Bridge, Schuylkill River, Pennsylvani | 39.955 | -75.18 |
| 26.9 | 2207 | Pea Patch Island, Bulkhead Shoal Channel, Chesapeak | 39.585 | -75.5733 |
| 27.0 | 755 | Delaware City, Delaware River, Delaware | 39.5817 | -75.5883 |
| 27.7 | 754 | Delaware City Branch Channel bridge, Chesapeake and | 39.57 | -75.59 |
| 28.0 | 3382 | Woodbury Creek, New Jersey | 39.86 | -75.1867 |
| 28.5 | 2526 | Reedy Point, C&D Canal, Delaware | 39.5583 | -75.5733 |
| 28.6 | 2634 | Salem, Salem River, New Jersey | 39.5767 | -75.4767 |
| 28.6 | 2915 | St. Georges, Chesapeake and Delaware Canal, Delawar | 39.555 | -75.6483 |