| Canals to Reidsville (North Carolina) | 4,185.88 mi (6,736.52 km) |
| Canals to Reisterstown (Maryland) | 3,948.42 mi (6,354.37 km) |
| Canals to Rendon (Texas) | 5,166.07 mi (8,313.98 km) |
| Canals to Reno (Nevada) | 5,792.80 mi (9,322.61 km) |
| Canals to Renton (Washington) | 5,469.67 mi (8,802.58 km) |
| Canals to Republic (Missouri) | 4,808.07 mi (7,737.84 km) |
| Canals to Reston (Virginia) | 3,989.41 mi (6,420.33 km) |
| Canals to Revere (Massachusetts) | 3,588.49 mi (5,775.12 km) |
| Canals to Rexburg (Idaho) | 5,289.67 mi (8,512.89 km) |
| Canals to Reynoldsburg (Ohio) | 4,215.52 mi (6,784.23 km) |
| Canals to Rialto (California) | 5,971.24 mi (9,609.78 km) |
| Canals to Richardson (Texas) | 5,125.37 mi (8,248.49 km) |
| Canals to Richfield (Minnesota) | 4,512.41 mi (7,262.01 km) |
| Canals to Richfield (Wisconsin) | 4,353.27 mi (7,005.92 km) |
| Canals to Richland (Washington) | 5,436.11 mi (8,748.58 km) |
