| Piqua to Montana | 5,109.63 mi (8,223.16 km) |
| Piqua to Nova Zagora | 5,257.34 mi (8,460.88 km) |
| Piqua to Novi Iskar | 5,141.94 mi (8,275.15 km) |
| Piqua to Novi Pazar | 5,261.29 mi (8,467.23 km) |
| Piqua to Omurtag | 5,244.02 mi (8,439.44 km) |
| Piqua to Panagyurishte | 5,187.47 mi (8,348.43 km) |
| Piqua to Parvomay | 5,245.29 mi (8,441.48 km) |
| Piqua to Pavlikeni | 5,196.49 mi (8,362.95 km) |
| Piqua to Pazardzhik | 5,206.93 mi (8,379.75 km) |
| Piqua to Pernik | 5,138.79 mi (8,270.08 km) |
| Piqua to Peshtera | 5,213.29 mi (8,389.98 km) |
| Piqua to Petrich | 5,200.02 mi (8,368.62 km) |
| Piqua to Pleven | 5,162.57 mi (8,308.35 km) |
| Piqua to Plovdiv | 5,225.17 mi (8,409.11 km) |
| Piqua to Pomorie | 5,313.56 mi (8,551.36 km) |
