| Round Rock to Palencia | 4,991.27 mi (8,032.67 km) |
| Round Rock to Palleja | 5,309.15 mi (8,544.25 km) |
| Round Rock to Palma | 5,402.45 mi (8,694.40 km) |
| Round Rock to Palma del Rio | 5,085.40 mi (8,184.17 km) |
| Round Rock to Palomares del Rio | 5,059.30 mi (8,142.15 km) |
| Round Rock to Palos de la Frontera | 5,020.13 mi (8,079.11 km) |
| Round Rock to Pamplona | 5,098.95 mi (8,205.97 km) |
| Round Rock to Paracuellos de Jarama | 5,083.03 mi (8,180.35 km) |
| Round Rock to Parla | 5,080.49 mi (8,176.26 km) |
| Round Rock to Paterna | 5,260.81 mi (8,466.46 km) |
| Round Rock to Peligros | 5,180.73 mi (8,337.58 km) |
| Round Rock to Penarroya-Pueblonuevo | 5,067.95 mi (8,156.08 km) |
| Round Rock to Petrel | 5,277.58 mi (8,493.44 km) |
| Round Rock to Picana | 5,263.26 mi (8,470.41 km) |
| Round Rock to Picasent | 5,264.55 mi (8,472.48 km) |
