| Barstow to Poggibonsi | 6,119.29 mi (9,848.05 km) |
| Barstow to Poggio a Caiano | 6,098.13 mi (9,814.00 km) |
| Barstow to Poggio Renatico | 6,061.29 mi (9,754.70 km) |
| Barstow to Poggiomarino | 6,372.08 mi (10,254.87 km) |
| Barstow to Poirino | 5,935.85 mi (9,552.82 km) |
| Barstow to Policoro | 6,472.30 mi (10,416.16 km) |
| Barstow to Polistena | 6,552.84 mi (10,545.78 km) |
| Barstow to Pomezia | 6,258.79 mi (10,072.54 km) |
| Barstow to Pomigliano d'Arco | 6,360.90 mi (10,236.88 km) |
| Barstow to Pompei | 6,373.20 mi (10,256.67 km) |
| Barstow to Ponsacco | 6,094.64 mi (9,808.38 km) |
| Barstow to Pontassieve | 6,112.25 mi (9,836.72 km) |
| Barstow to Ponte Buggianese | 6,086.57 mi (9,795.38 km) |
| Barstow to Ponte San Pietro | 5,952.33 mi (9,579.35 km) |
| Barstow to Pontecorvo | 6,307.71 mi (10,151.27 km) |
