| Barstow to Piedras Blancas | 5,501.21 mi (8,853.34 km) |
| Barstow to Piera | 5,889.24 mi (9,477.81 km) |
| Barstow to Pilar de la Horadada | 5,963.76 mi (9,597.75 km) |
| Barstow to Pilas | 5,761.27 mi (9,271.87 km) |
| Barstow to Pinos Puente | 5,870.70 mi (9,447.98 km) |
| Barstow to Pinto | 5,737.45 mi (9,233.54 km) |
| Barstow to Pizarra | 5,852.63 mi (9,418.89 km) |
| Barstow to Plasencia | 5,650.51 mi (9,093.62 km) |
| Barstow to Pola de Laviana | 5,531.68 mi (8,902.39 km) |
| Barstow to Pola de Lena | 5,524.40 mi (8,890.66 km) |
| Barstow to Pola de Siero | 5,521.60 mi (8,886.15 km) |
| Barstow to Pollensa | 6,016.09 mi (9,681.96 km) |
| Barstow to Ponferrada | 5,520.88 mi (8,885.00 km) |
| Barstow to Pontevedra | 5,443.76 mi (8,760.89 km) |
| Barstow to Portugalete | 5,625.80 mi (9,053.85 km) |
