| Canals to Princeton (Florida) | 4,610.05 mi (7,419.17 km) |
| Canals to Princeton (New Jersey) | 3,819.06 mi (6,146.18 km) |
| Canals to Princeton (Texas) | 5,107.36 mi (8,219.51 km) |
| Canals to Princeton Meadows (New Jersey) | 3,814.68 mi (6,139.13 km) |
| Canals to Prineville (Oregon) | 5,587.99 mi (8,993.00 km) |
| Canals to Prior Lake (Minnesota) | 4,524.51 mi (7,281.50 km) |
| Canals to Progress (Pennsylvania) | 3,924.59 mi (6,316.01 km) |
| Canals to Prospect Heights (Illinois) | 4,377.91 mi (7,045.56 km) |
| Canals to Prosper (Texas) | 5,118.99 mi (8,238.21 km) |
| Canals to Providence (Rhode Island) | 3,623.51 mi (5,831.48 km) |
| Canals to Provo (Utah) | 5,449.69 mi (8,770.43 km) |
| Canals to Prunedale (California) | 5,998.92 mi (9,654.34 km) |
| Canals to Pueblo (Colorado) | 5,252.83 mi (8,453.61 km) |
| Canals to Pueblo West (Colorado) | 5,254.28 mi (8,455.95 km) |
| Canals to Pullman (Washington) | 5,342.79 mi (8,598.39 km) |
