| Canals to Roy (Utah) | 5,422.19 mi (8,726.18 km) |
| Canals to Royal Kunia (Hawaii) | 8,017.98 mi (12,903.69 km) |
| Canals to Royal Oak (Michigan) | 4,150.12 mi (6,678.98 km) |
| Canals to Royal Palm Beach (Florida) | 4,556.87 mi (7,333.58 km) |
| Canals to Royse City (Texas) | 5,106.92 mi (8,218.79 km) |
| Canals to Ruskin (Florida) | 4,631.91 mi (7,454.33 km) |
| Canals to Russellville (Alabama) | 4,640.40 mi (7,468.00 km) |
| Canals to Russellville (Arkansas) | 4,866.65 mi (7,832.12 km) |
| Canals to Ruston (Louisiana) | 4,951.09 mi (7,968.01 km) |
| Canals to Rutherford (New Jersey) | 3,778.92 mi (6,081.59 km) |
| Canals to Rutland (Vermont) | 3,651.10 mi (5,875.88 km) |
| Canals to Sabana Grande (Puerto Rico) | 4,185.06 mi (6,735.20 km) |
| Canals to Sachse (Texas) | 5,119.27 mi (8,238.68 km) |
| Canals to Saco (Maine) | 3,535.25 mi (5,689.44 km) |
| Canals to Sacramento (California) | 5,901.56 mi (9,497.64 km) |
