| Onda to Castelfidardo | 751.17 mi (1,208.89 km) |
| Onda to Castelfiorentino | 630.17 mi (1,014.16 km) |
| Onda to Castelfranco di Sopra | 658.67 mi (1,060.03 km) |
| Onda to Castelfranco di Sotto | 622.39 mi (1,001.64 km) |
| Onda to Castelfranco Emilia | 660.36 mi (1,062.74 km) |
| Onda to Castelfranco Veneto | 731.92 mi (1,177.91 km) |
| Onda to Castellabate | 803.28 mi (1,292.76 km) |
| Onda to Castellammare del Golfo | 717.72 mi (1,155.06 km) |
| Onda to Castellammare di Stabia | 777.35 mi (1,251.03 km) |
| Onda to Castellamonte | 551.21 mi (887.08 km) |
| Onda to Castellana Grotte | 917.52 mi (1,476.61 km) |
| Onda to Castellaneta | 905.98 mi (1,458.03 km) |
| Onda to Castellanza | 606.37 mi (975.85 km) |
| Onda to Castellarano | 647.48 mi (1,042.02 km) |
| Onda to Castelleone | 628.12 mi (1,010.85 km) |
