| Shannon to Castelli Calepio | 974.58 mi (1,568.44 km) |
| Shannon to Castelnovo ne' Monti | 1,045.28 mi (1,682.21 km) |
| Shannon to Castelnuovo Berardenga | 1,135.98 mi (1,828.18 km) |
| Shannon to Castelnuovo di Porto | 1,230.05 mi (1,979.58 km) |
| Shannon to Castelnuovo di Verona | 1,016.45 mi (1,635.82 km) |
| Shannon to Castelnuovo Rangone | 1,060.40 mi (1,706.55 km) |
| Shannon to Castelvetrano | 1,469.07 mi (2,364.25 km) |
| Shannon to Castelvetro di Modena | 1,063.22 mi (1,711.09 km) |
| Shannon to Castenaso | 1,082.73 mi (1,742.48 km) |
| Shannon to Castenedolo | 996.69 mi (1,604.01 km) |
| Shannon to Castiglion Fiorentino | 1,151.70 mi (1,853.49 km) |
| Shannon to Castiglione del Lago | 1,165.98 mi (1,876.46 km) |
| Shannon to Castiglione delle Stiviere | 1,007.49 mi (1,621.39 km) |
| Shannon to Castrolibero | 1,504.60 mi (2,421.42 km) |
| Shannon to Castrovillari | 1,479.84 mi (2,381.57 km) |
