| Gretna to Piazza Armerina | 5,697.32 mi (9,168.95 km) |
| Gretna to Piazzola sul Brenta | 5,293.55 mi (8,519.15 km) |
| Gretna to Pietrasanta | 5,280.23 mi (8,497.71 km) |
| Gretna to Pieve di Soligo | 5,298.50 mi (8,527.12 km) |
| Gretna to Pinerolo | 5,123.86 mi (8,246.05 km) |
| Gretna to Pioltello | 5,191.15 mi (8,354.35 km) |
| Gretna to Piombino | 5,327.27 mi (8,573.42 km) |
| Gretna to Piombino Dese | 5,300.81 mi (8,530.83 km) |
| Gretna to Piossasco | 5,126.41 mi (8,250.16 km) |
| Gretna to Piove di Sacco | 5,312.96 mi (8,550.38 km) |
| Gretna to Pisa | 5,295.76 mi (8,522.70 km) |
| Gretna to Pisticci | 5,684.65 mi (9,148.56 km) |
| Gretna to Pistoia | 5,311.05 mi (8,547.31 km) |
| Gretna to Pizzo | 5,729.65 mi (9,220.98 km) |
| Gretna to Podenzano | 5,224.00 mi (8,407.22 km) |
