| Slough to Castelletto sopra Ticino | 580.20 mi (933.74 km) |
| Slough to Castelli Calepio | 627.19 mi (1,009.36 km) |
| Slough to Castelnovo ne' Monti | 703.81 mi (1,132.67 km) |
| Slough to Castelnuovo Berardenga | 796.45 mi (1,281.77 km) |
| Slough to Castelnuovo di Porto | 893.22 mi (1,437.50 km) |
| Slough to Castelnuovo di Verona | 667.10 mi (1,073.60 km) |
| Slough to Castelnuovo Rangone | 715.81 mi (1,151.99 km) |
| Slough to Castelvetrano | 1,156.13 mi (1,860.61 km) |
| Slough to Castelvetro di Modena | 718.88 mi (1,156.93 km) |
| Slough to Castenaso | 736.26 mi (1,184.90 km) |
| Slough to Castenedolo | 648.81 mi (1,044.16 km) |
| Slough to Castiglion Fiorentino | 810.34 mi (1,304.11 km) |
| Slough to Castiglione del Lago | 825.27 mi (1,328.15 km) |
| Slough to Castiglione delle Stiviere | 659.29 mi (1,061.02 km) |
| Slough to Castrolibero | 1,166.18 mi (1,876.78 km) |
