| Groslay to Pontinia | 737.27 mi (1,186.52 km) |
| Groslay to Porcari | 530.15 mi (853.19 km) |
| Groslay to Porcia | 522.57 mi (841.00 km) |
| Groslay to Pordenone | 524.52 mi (844.14 km) |
| Groslay to Portici | 812.50 mi (1,307.59 km) |
| Groslay to Porto Empedocle | 982.86 mi (1,581.75 km) |
| Groslay to Porto Recanati | 662.41 mi (1,066.04 km) |
| Groslay to Porto Sant'Elpidio | 673.00 mi (1,083.09 km) |
| Groslay to Porto Tolle | 546.04 mi (878.77 km) |
| Groslay to Porto Torres | 635.84 mi (1,023.28 km) |
| Groslay to Portoferraio | 572.67 mi (921.63 km) |
| Groslay to Portogruaro | 537.69 mi (865.32 km) |
| Groslay to Portomaggiore | 535.50 mi (861.81 km) |
| Groslay to Potenza | 874.13 mi (1,406.77 km) |
| Groslay to Potenza Picena | 663.43 mi (1,067.69 km) |
