| Canals to Rancho Cordova (California) | 5,893.43 mi (9,484.57 km) |
| Canals to Rancho Cucamonga (California) | 5,977.94 mi (9,620.56 km) |
| Canals to Rancho Mirage (California) | 5,950.23 mi (9,575.97 km) |
| Canals to Rancho Palos Verdes (California) | 6,027.95 mi (9,701.04 km) |
| Canals to Rancho San Diego (California) | 6,019.56 mi (9,687.55 km) |
| Canals to Rancho Santa Margarita (California) | 6,003.73 mi (9,662.08 km) |
| Canals to Randallstown (Maryland) | 3,950.37 mi (6,357.51 km) |
| Canals to Rantoul (Illinois) | 4,450.57 mi (7,162.50 km) |
| Canals to Rapid City (South Dakota) | 4,949.14 mi (7,964.87 km) |
| Canals to Ravenna (Ohio) | 4,104.82 mi (6,606.07 km) |
| Canals to Raymondville (Texas) | 5,448.76 mi (8,768.93 km) |
| Canals to Raymore (Missouri) | 4,789.77 mi (7,708.39 km) |
| Canals to Raytown (Missouri) | 4,782.64 mi (7,696.92 km) |
| Canals to Reading (Ohio) | 4,316.44 mi (6,946.64 km) |
| Canals to Reading (Pennsylvania) | 3,879.63 mi (6,243.67 km) |
