| Opera to Carmignano | 139.84 mi (225.05 km) |
| Opera to Carovigno | 535.03 mi (861.05 km) |
| Opera to Carpenedolo | 59.01 mi (94.97 km) |
| Opera to Carpi | 91.26 mi (146.87 km) |
| Opera to Carrara | 99.99 mi (160.92 km) |
| Opera to Carugate | 12.83 mi (20.65 km) |
| Opera to Casal di Principe | 390.16 mi (627.89 km) |
| Opera to Casale Monferrato | 40.70 mi (65.50 km) |
| Opera to Casale sul Sile | 151.68 mi (244.11 km) |
| Opera to Casalecchio di Reno | 118.67 mi (190.99 km) |
| Opera to Casalgrande | 92.46 mi (148.79 km) |
| Opera to Casalmaggiore | 64.48 mi (103.77 km) |
| Opera to Casalnuovo di Napoli | 402.56 mi (647.86 km) |
| Opera to Casalpusterlengo | 25.40 mi (40.88 km) |
| Opera to Casaluce | 393.20 mi (632.79 km) |
