| Alliance to Castelletto sopra Ticino | 4,276.44 mi (6,882.26 km) |
| Alliance to Castelli Calepio | 4,331.64 mi (6,971.10 km) |
| Alliance to Castelnovo ne' Monti | 4,396.41 mi (7,075.34 km) |
| Alliance to Castelnuovo Berardenga | 4,483.41 mi (7,215.35 km) |
| Alliance to Castelnuovo di Porto | 4,572.19 mi (7,358.23 km) |
| Alliance to Castelnuovo di Verona | 4,374.53 mi (7,040.13 km) |
| Alliance to Castelnuovo Rangone | 4,414.20 mi (7,103.97 km) |
| Alliance to Castelvetrano | 4,762.54 mi (7,664.57 km) |
| Alliance to Castelvetro di Modena | 4,416.76 mi (7,108.09 km) |
| Alliance to Castenaso | 4,437.94 mi (7,142.17 km) |
| Alliance to Castenedolo | 4,353.88 mi (7,006.89 km) |
| Alliance to Castiglion Fiorentino | 4,500.88 mi (7,243.47 km) |
| Alliance to Castiglione del Lago | 4,514.17 mi (7,264.85 km) |
| Alliance to Castiglione delle Stiviere | 4,364.82 mi (7,024.49 km) |
| Alliance to Castrolibero | 4,843.12 mi (7,794.26 km) |
