| Portet-sur-Garonne to Carovigno | 854.45 mi (1,375.11 km) |
| Portet-sur-Garonne to Carpenedolo | 462.82 mi (744.84 km) |
| Portet-sur-Garonne to Carpi | 477.54 mi (768.53 km) |
| Portet-sur-Garonne to Carrara | 435.05 mi (700.15 km) |
| Portet-sur-Garonne to Carugate | 414.58 mi (667.21 km) |
| Portet-sur-Garonne to Casal di Principe | 672.59 mi (1,082.43 km) |
| Portet-sur-Garonne to Casale Monferrato | 365.79 mi (588.68 km) |
| Portet-sur-Garonne to Casale sul Sile | 556.27 mi (895.23 km) |
| Portet-sur-Garonne to Casalecchio di Reno | 495.05 mi (796.71 km) |
| Portet-sur-Garonne to Casalgrande | 468.67 mi (754.24 km) |
| Portet-sur-Garonne to Casalmaggiore | 456.89 mi (735.29 km) |
| Portet-sur-Garonne to Casalnuovo di Napoli | 685.54 mi (1,103.28 km) |
| Portet-sur-Garonne to Casalpusterlengo | 422.86 mi (680.52 km) |
| Portet-sur-Garonne to Casaluce | 676.25 mi (1,088.32 km) |
| Portet-sur-Garonne to Casamassima | 811.81 mi (1,306.48 km) |
