| Canals to Pell City (Alabama) | 4,604.85 mi (7,410.78 km) |
| Canals to Pella (Iowa) | 4,623.27 mi (7,440.44 km) |
| Canals to Pembroke Pines (Florida) | 4,588.96 mi (7,385.22 km) |
| Canals to Pendleton (Oregon) | 5,450.33 mi (8,771.45 km) |
| Canals to Pensacola (Florida) | 4,767.86 mi (7,673.13 km) |
| Canals to Peoria (Arizona) | 5,779.86 mi (9,301.79 km) |
| Canals to Peoria (Illinois) | 4,500.60 mi (7,243.01 km) |
| Canals to Perris (California) | 5,980.88 mi (9,625.30 km) |
| Canals to Perry (Georgia) | 4,520.32 mi (7,274.76 km) |
| Canals to Perry Hall (Maryland) | 3,933.75 mi (6,330.76 km) |
| Canals to Perrysburg (Ohio) | 4,203.30 mi (6,764.56 km) |
| Canals to Perth Amboy (New Jersey) | 3,795.37 mi (6,108.06 km) |
| Canals to Peru (Indiana) | 4,340.23 mi (6,984.92 km) |
| Canals to Petal (Mississippi) | 4,833.45 mi (7,778.68 km) |
| Canals to Petaluma (California) | 5,960.05 mi (9,591.77 km) |
