| Grass Valley to Pontedera | 5,965.33 mi (9,600.27 km) |
| Grass Valley to Pontinia | 6,163.23 mi (9,918.77 km) |
| Grass Valley to Porcari | 5,954.78 mi (9,583.29 km) |
| Grass Valley to Porcia | 5,890.17 mi (9,479.31 km) |
| Grass Valley to Pordenone | 5,892.02 mi (9,482.30 km) |
| Grass Valley to Portici | 6,234.33 mi (10,033.19 km) |
| Grass Valley to Porto Empedocle | 6,414.12 mi (10,322.53 km) |
| Grass Valley to Porto Recanati | 6,064.30 mi (9,759.55 km) |
| Grass Valley to Porto Sant'Elpidio | 6,076.21 mi (9,778.71 km) |
| Grass Valley to Porto Tolle | 5,940.02 mi (9,559.53 km) |
| Grass Valley to Porto Torres | 6,055.81 mi (9,745.89 km) |
| Grass Valley to Portoferraio | 6,003.65 mi (9,661.94 km) |
| Grass Valley to Portogruaro | 5,906.51 mi (9,505.60 km) |
| Grass Valley to Portomaggiore | 5,939.89 mi (9,559.33 km) |
| Grass Valley to Potenza | 6,286.22 mi (10,116.69 km) |
