| Williamstown to Piazza Armerina | 4,612.13 mi (7,422.51 km) |
| Williamstown to Piazzola sul Brenta | 4,207.74 mi (6,771.70 km) |
| Williamstown to Pietrasanta | 4,193.15 mi (6,748.22 km) |
| Williamstown to Pieve di Soligo | 4,213.18 mi (6,780.45 km) |
| Williamstown to Pinerolo | 4,036.75 mi (6,496.51 km) |
| Williamstown to Pioltello | 4,104.61 mi (6,605.73 km) |
| Williamstown to Piombino | 4,240.09 mi (6,823.76 km) |
| Williamstown to Piombino Dese | 4,215.15 mi (6,783.62 km) |
| Williamstown to Piossasco | 4,039.33 mi (6,500.68 km) |
| Williamstown to Piove di Sacco | 4,227.03 mi (6,802.74 km) |
| Williamstown to Pisa | 4,208.65 mi (6,773.16 km) |
| Williamstown to Pisticci | 4,597.46 mi (7,398.90 km) |
| Williamstown to Pistoia | 4,224.05 mi (6,797.95 km) |
| Williamstown to Pizzo | 4,642.84 mi (7,471.92 km) |
| Williamstown to Podenzano | 4,137.22 mi (6,658.22 km) |
