| Piqua to Busto Arsizio | 4,450.38 mi (7,162.20 km) |
| Piqua to Busto Garolfo | 4,454.18 mi (7,168.30 km) |
| Piqua to Cabras | 4,651.75 mi (7,486.27 km) |
| Piqua to Cadelbosco di Sopra | 4,553.57 mi (7,328.27 km) |
| Piqua to Cadoneghe | 4,581.49 mi (7,373.20 km) |
| Piqua to Cagli | 4,684.87 mi (7,539.56 km) |
| Piqua to Cagliari | 4,704.68 mi (7,571.46 km) |
| Piqua to Cairo Montenotte | 4,470.95 mi (7,195.29 km) |
| Piqua to Caivano | 4,858.37 mi (7,818.79 km) |
| Piqua to Calcinaia | 4,595.75 mi (7,396.15 km) |
| Piqua to Calcinato | 4,519.81 mi (7,273.93 km) |
| Piqua to Calderara di Reno | 4,588.50 mi (7,384.48 km) |
| Piqua to Caldogno | 4,558.07 mi (7,335.50 km) |
| Piqua to Calenzano | 4,611.43 mi (7,421.38 km) |
| Piqua to Calolziocorte | 4,467.15 mi (7,189.19 km) |
