| Ovada to Castelfidardo | 256.45 mi (412.71 km) |
| Ovada to Castelfiorentino | 135.64 mi (218.30 km) |
| Ovada to Castelfranco di Sopra | 160.54 mi (258.36 km) |
| Ovada to Castelfranco di Sotto | 122.79 mi (197.62 km) |
| Ovada to Castelfranco Emilia | 118.38 mi (190.52 km) |
| Ovada to Castelfranco Veneto | 175.17 mi (281.91 km) |
| Ovada to Castellabate | 440.32 mi (708.62 km) |
| Ovada to Castellammare del Golfo | 506.78 mi (815.59 km) |
| Ovada to Castellammare di Stabia | 402.45 mi (647.68 km) |
| Ovada to Castellamonte | 68.68 mi (110.53 km) |
| Ovada to Castellana Grotte | 503.74 mi (810.69 km) |
| Ovada to Castellaneta | 503.62 mi (810.50 km) |
| Ovada to Castellanza | 68.66 mi (110.50 km) |
| Ovada to Castellarano | 105.24 mi (169.36 km) |
| Ovada to Castelleone | 70.90 mi (114.10 km) |
