| Castro Valley to Piazza Armerina | 6,551.70 mi (10,543.95 km) |
| Castro Valley to Piazzola sul Brenta | 6,009.56 mi (9,671.45 km) |
| Castro Valley to Pietrasanta | 6,055.06 mi (9,744.68 km) |
| Castro Valley to Pieve di Soligo | 6,000.67 mi (9,657.15 km) |
| Castro Valley to Pinerolo | 5,917.57 mi (9,523.41 km) |
| Castro Valley to Pioltello | 5,942.71 mi (9,563.86 km) |
| Castro Valley to Piombino | 6,120.63 mi (9,850.19 km) |
| Castro Valley to Piombino Dese | 6,011.77 mi (9,675.01 km) |
| Castro Valley to Piossasco | 5,915.88 mi (9,520.69 km) |
| Castro Valley to Piove di Sacco | 6,030.40 mi (9,704.99 km) |
| Castro Valley to Pisa | 6,073.17 mi (9,773.82 km) |
| Castro Valley to Pisticci | 6,439.56 mi (10,363.47 km) |
| Castro Valley to Pistoia | 6,075.97 mi (9,778.33 km) |
| Castro Valley to Pizzo | 6,525.76 mi (10,502.19 km) |
| Castro Valley to Podenzano | 5,983.41 mi (9,629.36 km) |
