| Williamstown to Pyrzyce | 4,090.46 mi (6,582.96 km) |
| Williamstown to Pyskowice | 4,320.96 mi (6,953.92 km) |
| Williamstown to Raciborz | 4,316.65 mi (6,946.98 km) |
| Williamstown to Radom | 4,380.35 mi (7,049.50 km) |
| Williamstown to Radomsko | 4,328.76 mi (6,966.46 km) |
| Williamstown to Radzionkow Nowy | 4,331.12 mi (6,970.26 km) |
| Williamstown to Radzymin | 4,345.33 mi (6,993.13 km) |
| Williamstown to Radzyn Podlaski | 4,420.34 mi (7,113.85 km) |
| Williamstown to Rawa Mazowiecka | 4,334.23 mi (6,975.26 km) |
| Williamstown to Rawicz | 4,212.85 mi (6,779.92 km) |
| Williamstown to Reda | 4,169.44 mi (6,710.07 km) |
| Williamstown to Rogozno | 4,180.98 mi (6,728.63 km) |
| Williamstown to Ropczyce | 4,446.48 mi (7,155.92 km) |
| Williamstown to Ruda Slaska | 4,334.18 mi (6,975.19 km) |
| Williamstown to Rumia | 4,172.83 mi (6,715.52 km) |
