| Middle River to Palencia | 3,656.43 mi (5,884.46 km) |
| Middle River to Palleja | 3,979.78 mi (6,404.83 km) |
| Middle River to Palma | 4,068.32 mi (6,547.33 km) |
| Middle River to Palma del Rio | 3,742.36 mi (6,022.74 km) |
| Middle River to Palomares del Rio | 3,715.80 mi (5,980.01 km) |
| Middle River to Palos de la Frontera | 3,676.46 mi (5,916.68 km) |
| Middle River to Pamplona | 3,769.72 mi (6,066.78 km) |
| Middle River to Paracuellos de Jarama | 3,745.37 mi (6,027.59 km) |
| Middle River to Parla | 3,741.94 mi (6,022.07 km) |
| Middle River to Paterna | 3,923.42 mi (6,314.13 km) |
| Middle River to Peligros | 3,837.83 mi (6,176.39 km) |
| Middle River to Penarroya-Pueblonuevo | 3,725.47 mi (5,995.56 km) |
| Middle River to Petrel | 3,937.84 mi (6,337.34 km) |
| Middle River to Picana | 3,925.73 mi (6,317.84 km) |
| Middle River to Picasent | 3,926.83 mi (6,319.61 km) |
