| Ovada to Castelletto sopra Ticino | 74.45 mi (119.82 km) |
| Ovada to Castelli Calepio | 91.93 mi (147.94 km) |
| Ovada to Castelnovo ne' Monti | 87.53 mi (140.86 km) |
| Ovada to Castelnuovo Berardenga | 167.76 mi (269.98 km) |
| Ovada to Castelnuovo di Porto | 259.60 mi (417.78 km) |
| Ovada to Castelnuovo di Verona | 117.16 mi (188.55 km) |
| Ovada to Castelnuovo Rangone | 112.68 mi (181.34 km) |
| Ovada to Castelvetrano | 526.60 mi (847.49 km) |
| Ovada to Castelvetro di Modena | 113.79 mi (183.13 km) |
| Ovada to Castenaso | 139.28 mi (224.15 km) |
| Ovada to Castenedolo | 98.92 mi (159.20 km) |
| Ovada to Castiglion Fiorentino | 185.64 mi (298.77 km) |
| Ovada to Castiglione del Lago | 198.56 mi (319.55 km) |
| Ovada to Castiglione delle Stiviere | 104.68 mi (168.47 km) |
| Ovada to Castrolibero | 534.14 mi (859.61 km) |
