| Onda to Busto Arsizio | 604.31 mi (972.54 km) |
| Onda to Busto Garolfo | 603.01 mi (970.44 km) |
| Onda to Cabras | 465.79 mi (749.62 km) |
| Onda to Cadelbosco di Sopra | 645.55 mi (1,038.91 km) |
| Onda to Cadoneghe | 724.95 mi (1,166.70 km) |
| Onda to Cagli | 709.34 mi (1,141.57 km) |
| Onda to Cagliari | 501.47 mi (807.04 km) |
| Onda to Cairo Montenotte | 533.18 mi (858.07 km) |
| Onda to Caivano | 767.81 mi (1,235.67 km) |
| Onda to Calcinaia | 615.76 mi (990.96 km) |
| Onda to Calcinato | 660.98 mi (1,063.75 km) |
| Onda to Calderara di Reno | 669.05 mi (1,076.73 km) |
| Onda to Caldogno | 711.10 mi (1,144.41 km) |
| Onda to Calenzano | 645.91 mi (1,039.49 km) |
| Onda to Calolziocorte | 634.59 mi (1,021.27 km) |
