| Portet-sur-Garonne to Castelli Calepio | 442.49 mi (712.11 km) |
| Portet-sur-Garonne to Castelnovo ne' Monti | 451.35 mi (726.38 km) |
| Portet-sur-Garonne to Castelnuovo Berardenga | 506.49 mi (815.12 km) |
| Portet-sur-Garonne to Castelnuovo di Porto | 569.84 mi (917.07 km) |
| Portet-sur-Garonne to Castelnuovo di Verona | 479.68 mi (771.97 km) |
| Portet-sur-Garonne to Castelnuovo Rangone | 478.25 mi (769.66 km) |
| Portet-sur-Garonne to Castelvetrano | 719.77 mi (1,158.36 km) |
| Portet-sur-Garonne to Castelvetro di Modena | 478.77 mi (770.50 km) |
| Portet-sur-Garonne to Castenaso | 504.39 mi (811.74 km) |
| Portet-sur-Garonne to Castenedolo | 458.10 mi (737.23 km) |
| Portet-sur-Garonne to Castiglion Fiorentino | 527.26 mi (848.55 km) |
| Portet-sur-Garonne to Castiglione del Lago | 535.13 mi (861.21 km) |
| Portet-sur-Garonne to Castiglione delle Stiviere | 466.55 mi (750.85 km) |
| Portet-sur-Garonne to Castrolibero | 818.31 mi (1,316.95 km) |
| Portet-sur-Garonne to Castrovillari | 804.00 mi (1,293.92 km) |
