| Watertown Town to Rome (New York) | 226.51 mi (364.53 km) |
| Watertown Town to Romeoville (Illinois) | 868.94 mi (1,398.43 km) |
| Watertown Town to Romulus (Michigan) | 622.46 mi (1,001.75 km) |
| Watertown Town to Ronkonkoma (New York) | 147.77 mi (237.81 km) |
| Watertown Town to Roosevelt (New York) | 170.67 mi (274.67 km) |
| Watertown Town to Rosamond (California) | 2,558.19 mi (4,117.00 km) |
| Watertown Town to Rosaryville (Maryland) | 386.98 mi (622.79 km) |
| Watertown Town to Roscoe (Illinois) | 908.14 mi (1,461.51 km) |
| Watertown Town to Rose Hill (Virginia) | 397.51 mi (639.74 km) |
| Watertown Town to Roseburg (Oregon) | 2,601.86 mi (4,187.28 km) |
| Watertown Town to Rosedale (California) | 2,592.79 mi (4,172.69 km) |
| Watertown Town to Rosedale (Maryland) | 348.95 mi (561.58 km) |
| Watertown Town to Roselle (Illinois) | 864.79 mi (1,391.75 km) |
| Watertown Town to Roselle (New Jersey) | 198.76 mi (319.87 km) |
| Watertown Town to Roselle Park (New Jersey) | 198.51 mi (319.47 km) |
