| Chesapeake and Ohio Canal Towpath (Maryland) | 180.2 mi | 1,312 ft | 865 ft | 1392951 |
| ADT - Maryland - Seg 4 | 166.8 mi | 1,221 ft | 843 ft | 8887227 |
| Great Eastern Trail - C&O Canal | 28.8 mi | 111 ft | 56 ft | 11385238 |
| Chesapeake and Ohio Canal Trail | 17.8 mi | 90 ft | 44 ft | 9185394 |
| Chesapeake & Ohio Canal Trail (DC) | 4.4 mi | 0 ft | 0 ft | 9773990 |
| 50 (District of Columbia) | 4.4 mi | 0 ft | 0 ft | 3322742 |
| Billy Goat Trail Section A | 1.8 mi | 173 ft | 144 ft | 18430910 |
| Billy Goat Trail Section C | 1.6 mi | 77 ft | 109 ft | 18437860 |
| River Trail | 1.0 mi | 0 ft | 0 ft | 15540630 |
| Billy Goat Trail | -0.0 mi | 250 ft | 253 ft | 18437862 |