| Piqua to Capodrise | 4,854.25 mi (7,812.16 km) |
| Piqua to Capoterra | 4,700.62 mi (7,564.91 km) |
| Piqua to Capriolo | 4,493.54 mi (7,231.66 km) |
| Piqua to Capua | 4,848.36 mi (7,802.68 km) |
| Piqua to Capurso | 4,962.81 mi (7,986.87 km) |
| Piqua to Carate Brianza | 4,458.21 mi (7,174.80 km) |
| Piqua to Caravaggio | 4,486.93 mi (7,221.01 km) |
| Piqua to Carbonera | 4,586.53 mi (7,381.30 km) |
| Piqua to Carbonia | 4,681.09 mi (7,533.48 km) |
| Piqua to Cardito | 4,858.37 mi (7,818.79 km) |
| Piqua to Carignano | 4,427.62 mi (7,125.57 km) |
| Piqua to Carini | 4,927.08 mi (7,929.37 km) |
| Piqua to Carlentini | 5,042.36 mi (8,114.90 km) |
| Piqua to Carmagnola | 4,431.51 mi (7,131.82 km) |
| Piqua to Carmiano | 5,039.38 mi (8,110.10 km) |
