| Barstow to Pontedera | 6,092.22 mi (9,804.48 km) |
| Barstow to Pontinia | 6,290.46 mi (10,123.52 km) |
| Barstow to Porcari | 6,082.28 mi (9,788.49 km) |
| Barstow to Porcia | 6,032.37 mi (9,708.17 km) |
| Barstow to Pordenone | 6,034.28 mi (9,711.23 km) |
| Barstow to Portici | 6,364.29 mi (10,242.33 km) |
| Barstow to Porto Empedocle | 6,528.21 mi (10,506.14 km) |
| Barstow to Porto Recanati | 6,201.05 mi (9,979.63 km) |
| Barstow to Porto Sant'Elpidio | 6,212.68 mi (9,998.34 km) |
| Barstow to Porto Tolle | 6,077.51 mi (9,780.81 km) |
| Barstow to Porto Torres | 6,163.81 mi (9,919.69 km) |
| Barstow to Portoferraio | 6,126.22 mi (9,859.20 km) |
| Barstow to Portogruaro | 6,048.78 mi (9,734.57 km) |
| Barstow to Portomaggiore | 6,074.70 mi (9,776.28 km) |
| Barstow to Potenza | 6,421.04 mi (10,333.66 km) |
