| Upper Grand Lagoon to Castelletto sopra Ticino | 4,955.05 mi (7,974.38 km) |
| Upper Grand Lagoon to Castelli Calepio | 5,012.84 mi (8,067.38 km) |
| Upper Grand Lagoon to Castelnovo ne' Monti | 5,071.03 mi (8,161.04 km) |
| Upper Grand Lagoon to Castelnuovo Berardenga | 5,153.88 mi (8,294.36 km) |
| Upper Grand Lagoon to Castelnuovo di Porto | 5,237.52 mi (8,428.98 km) |
| Upper Grand Lagoon to Castelnuovo di Verona | 5,056.61 mi (8,137.83 km) |
| Upper Grand Lagoon to Castelnuovo Rangone | 5,091.00 mi (8,193.17 km) |
| Upper Grand Lagoon to Castelvetrano | 5,398.32 mi (8,687.75 km) |
| Upper Grand Lagoon to Castelvetro di Modena | 5,093.28 mi (8,196.84 km) |
| Upper Grand Lagoon to Castenaso | 5,115.89 mi (8,233.24 km) |
| Upper Grand Lagoon to Castenedolo | 5,035.02 mi (8,103.07 km) |
| Upper Grand Lagoon to Castiglion Fiorentino | 5,172.50 mi (8,324.33 km) |
| Upper Grand Lagoon to Castiglione del Lago | 5,184.80 mi (8,344.13 km) |
| Upper Grand Lagoon to Castiglione delle Stiviere | 5,046.01 mi (8,120.76 km) |
| Upper Grand Lagoon to Castrolibero | 5,501.78 mi (8,854.26 km) |
