| Canals to Romeoville (Illinois) | 4,401.85 mi (7,084.09 km) |
| Canals to Romulus (Michigan) | 4,168.76 mi (6,708.98 km) |
| Canals to Ronkonkoma (New York) | 3,732.43 mi (6,006.77 km) |
| Canals to Roosevelt (New York) | 3,757.88 mi (6,047.73 km) |
| Canals to Rosamond (California) | 5,966.56 mi (9,602.25 km) |
| Canals to Rosaryville (Maryland) | 3,969.99 mi (6,389.08 km) |
| Canals to Roscoe (Illinois) | 4,414.81 mi (7,104.96 km) |
| Canals to Rose Hill (Virginia) | 3,982.97 mi (6,409.98 km) |
| Canals to Roseburg (Oregon) | 5,726.41 mi (9,215.76 km) |
| Canals to Rosedale (California) | 5,978.76 mi (9,621.89 km) |
| Canals to Rosedale (Maryland) | 3,937.63 mi (6,337.01 km) |
| Canals to Roselle (Illinois) | 4,389.23 mi (7,063.78 km) |
| Canals to Roselle (New Jersey) | 3,791.02 mi (6,101.05 km) |
| Canals to Roselle Park (New Jersey) | 3,790.98 mi (6,101.00 km) |
| Canals to Rosemead (California) | 6,001.15 mi (9,657.91 km) |
