| Port Huron to Piazza Armerina | 4,823.76 mi (7,763.09 km) |
| Port Huron to Piazzola sul Brenta | 4,375.15 mi (7,041.13 km) |
| Port Huron to Pietrasanta | 4,376.31 mi (7,042.99 km) |
| Port Huron to Pieve di Soligo | 4,376.93 mi (7,044.00 km) |
| Port Huron to Pinerolo | 4,221.93 mi (6,794.54 km) |
| Port Huron to Pioltello | 4,279.55 mi (6,887.27 km) |
| Port Huron to Piombino | 4,429.19 mi (7,128.09 km) |
| Port Huron to Piombino Dese | 4,381.35 mi (7,051.10 km) |
| Port Huron to Piossasco | 4,223.40 mi (6,796.90 km) |
| Port Huron to Piove di Sacco | 4,395.26 mi (7,073.49 km) |
| Port Huron to Pisa | 4,392.81 mi (7,069.55 km) |
| Port Huron to Pisticci | 4,783.19 mi (7,697.80 km) |
| Port Huron to Pistoia | 4,405.14 mi (7,089.38 km) |
| Port Huron to Pizzo | 4,840.02 mi (7,789.26 km) |
| Port Huron to Podenzano | 4,315.02 mi (6,944.35 km) |
