| Watertown Town to Redondela | 3,119.40 mi (5,020.19 km) |
| Watertown Town to Reinosa | 3,309.72 mi (5,326.47 km) |
| Watertown Town to Requena | 3,556.62 mi (5,723.83 km) |
| Watertown Town to Reus | 3,607.43 mi (5,805.59 km) |
| Watertown Town to Rianxo | 3,100.41 mi (4,989.63 km) |
| Watertown Town to Ribadeo | 3,160.83 mi (5,086.86 km) |
| Watertown Town to Rincon de la Victoria | 3,493.12 mi (5,621.63 km) |
| Watertown Town to Ripoll | 3,624.48 mi (5,833.03 km) |
| Watertown Town to Ripollet | 3,645.06 mi (5,866.17 km) |
| Watertown Town to Rojales | 3,619.86 mi (5,825.61 km) |
| Watertown Town to Ronda | 3,449.45 mi (5,551.35 km) |
| Watertown Town to Roquetas de Mar | 3,572.67 mi (5,749.66 km) |
| Watertown Town to Rosas | 3,667.43 mi (5,902.16 km) |
| Watertown Town to Rubi | 3,639.43 mi (5,857.10 km) |
| Watertown Town to Rute | 3,469.51 mi (5,583.64 km) |
