| Piqua to Cassina de' Pecchi | 4,474.95 mi (7,201.73 km) |
| Piqua to Cassino | 4,816.30 mi (7,751.08 km) |
| Piqua to Castagneto Carducci | 4,614.99 mi (7,427.11 km) |
| Piqua to Castano Primo | 4,449.18 mi (7,160.27 km) |
| Piqua to Castel Bolognese | 4,619.97 mi (7,435.12 km) |
| Piqua to Castel Gandolfo | 4,756.86 mi (7,655.42 km) |
| Piqua to Castel Goffredo | 4,528.30 mi (7,287.60 km) |
| Piqua to Castel Maggiore | 4,592.59 mi (7,391.05 km) |
| Piqua to Castel Mella | 4,507.48 mi (7,254.09 km) |
| Piqua to Castel San Giorgio | 4,882.01 mi (7,856.83 km) |
| Piqua to Castel San Giovanni | 4,495.06 mi (7,234.10 km) |
| Piqua to Castel San Pietro Terme | 4,607.88 mi (7,415.67 km) |
| Piqua to Castel Volturno | 4,838.19 mi (7,786.32 km) |
| Piqua to Castelbuono | 4,975.21 mi (8,006.82 km) |
| Piqua to Casteldaccia | 4,945.75 mi (7,959.41 km) |
