| Williamstown to Redondela | 3,375.78 mi (5,432.80 km) |
| Williamstown to Reinosa | 3,569.79 mi (5,745.01 km) |
| Williamstown to Requena | 3,812.52 mi (6,135.66 km) |
| Williamstown to Reus | 3,867.40 mi (6,223.97 km) |
| Williamstown to Rianxo | 3,357.40 mi (5,403.21 km) |
| Williamstown to Ribadeo | 3,420.36 mi (5,504.54 km) |
| Williamstown to Rincon de la Victoria | 3,741.12 mi (6,020.76 km) |
| Williamstown to Ripoll | 3,886.51 mi (6,254.73 km) |
| Williamstown to Ripollet | 3,906.10 mi (6,286.26 km) |
| Williamstown to Rojales | 3,873.53 mi (6,233.84 km) |
| Williamstown to Ronda | 3,696.70 mi (5,949.27 km) |
| Williamstown to Roquetas de Mar | 3,822.24 mi (6,151.31 km) |
| Williamstown to Rosas | 3,930.02 mi (6,324.76 km) |
| Williamstown to Rubi | 3,900.40 mi (6,277.08 km) |
| Williamstown to Rute | 3,718.73 mi (5,984.71 km) |
