| Williamstown to Pandino | 4,117.11 mi (6,625.85 km) |
| Williamstown to Paola | 4,612.84 mi (7,423.64 km) |
| Williamstown to Parabiago | 4,086.15 mi (6,576.03 km) |
| Williamstown to Parabita | 4,679.86 mi (7,531.51 km) |
| Williamstown to Parma | 4,169.93 mi (6,710.85 km) |
| Williamstown to Partanna | 4,531.16 mi (7,292.20 km) |
| Williamstown to Partinico | 4,529.75 mi (7,289.93 km) |
| Williamstown to Pasian di Prato | 4,251.16 mi (6,841.58 km) |
| Williamstown to Paterno | 4,629.66 mi (7,450.72 km) |
| Williamstown to Patti | 4,610.97 mi (7,420.64 km) |
| Williamstown to Paullo | 4,110.12 mi (6,614.59 km) |
| Williamstown to Pavia | 4,106.85 mi (6,609.34 km) |
| Williamstown to Pavullo nel Frignano | 4,207.17 mi (6,770.79 km) |
| Williamstown to Pedara | 4,635.39 mi (7,459.94 km) |
| Williamstown to Pellezzano | 4,505.54 mi (7,250.96 km) |
