| Williamstown to Prelouc | 4,214.59 mi (6,782.73 km) |
| Williamstown to Prerov | 4,307.98 mi (6,933.03 km) |
| Williamstown to Pribram | 4,165.00 mi (6,702.92 km) |
| Williamstown to Prostejov | 4,294.13 mi (6,910.73 km) |
| Williamstown to Rakovnik | 4,140.88 mi (6,664.10 km) |
| Williamstown to Ricany | 4,180.68 mi (6,728.16 km) |
| Williamstown to Rokycany | 4,146.83 mi (6,673.68 km) |
| Williamstown to Roudnice nad Labem | 4,151.41 mi (6,681.05 km) |
| Williamstown to Roznov pod Radhostem | 4,334.80 mi (6,976.18 km) |
| Williamstown to Roztoky | 4,165.25 mi (6,703.32 km) |
| Williamstown to Rumburk | 4,146.18 mi (6,672.63 km) |
| Williamstown to Rychnov nad Kneznou | 4,238.35 mi (6,820.96 km) |
| Williamstown to Slany | 4,150.76 mi (6,680.00 km) |
| Williamstown to Sokolov | 4,095.28 mi (6,590.72 km) |
| Williamstown to Sternberk | 4,292.66 mi (6,908.36 km) |
