| Porterville to Montana | 6,455.41 mi (10,388.98 km) |
| Porterville to Nova Zagora | 6,578.79 mi (10,587.53 km) |
| Porterville to Novi Iskar | 6,495.08 mi (10,452.82 km) |
| Porterville to Novi Pazar | 6,553.51 mi (10,546.85 km) |
| Porterville to Omurtag | 6,550.93 mi (10,542.70 km) |
| Porterville to Panagyurishte | 6,533.90 mi (10,515.30 km) |
| Porterville to Parvomay | 6,583.49 mi (10,595.11 km) |
| Porterville to Pavlikeni | 6,516.47 mi (10,487.24 km) |
| Porterville to Pazardzhik | 6,555.75 mi (10,550.45 km) |
| Porterville to Pernik | 6,499.09 mi (10,459.28 km) |
| Porterville to Peshtera | 6,565.00 mi (10,565.34 km) |
| Porterville to Petrich | 6,575.73 mi (10,582.62 km) |
| Porterville to Pleven | 6,489.65 mi (10,444.08 km) |
| Porterville to Plovdiv | 6,569.05 mi (10,571.87 km) |
| Porterville to Pomorie | 6,611.23 mi (10,639.74 km) |
