| Sumner to Castelletto sopra Ticino | 5,359.96 mi (8,626.03 km) |
| Sumner to Castelli Calepio | 5,396.71 mi (8,685.16 km) |
| Sumner to Castelnovo ne' Monti | 5,480.44 mi (8,819.91 km) |
| Sumner to Castelnuovo Berardenga | 5,572.94 mi (8,968.78 km) |
| Sumner to Castelnuovo di Porto | 5,670.83 mi (9,126.31 km) |
| Sumner to Castelnuovo di Verona | 5,430.01 mi (8,738.76 km) |
| Sumner to Castelnuovo Rangone | 5,486.79 mi (8,830.13 km) |
| Sumner to Castelvetrano | 5,947.40 mi (9,571.42 km) |
| Sumner to Castelvetro di Modena | 5,490.19 mi (8,835.60 km) |
| Sumner to Castenaso | 5,502.47 mi (8,855.37 km) |
| Sumner to Castenedolo | 5,416.21 mi (8,716.55 km) |
| Sumner to Castiglion Fiorentino | 5,583.47 mi (8,985.73 km) |
| Sumner to Castiglione del Lago | 5,599.01 mi (9,010.73 km) |
| Sumner to Castiglione delle Stiviere | 5,425.42 mi (8,731.38 km) |
| Sumner to Castrolibero | 5,933.56 mi (9,549.14 km) |
