| Basel to Castelfidardo | 403.55 mi (649.44 km) |
| Basel to Castelfiorentino | 318.23 mi (512.15 km) |
| Basel to Castelfranco di Sopra | 332.43 mi (535.00 km) |
| Basel to Castelfranco di Sotto | 306.92 mi (493.94 km) |
| Basel to Castelfranco Emilia | 263.21 mi (423.59 km) |
| Basel to Castelfranco Veneto | 243.88 mi (392.48 km) |
| Basel to Castellabate | 621.46 mi (1,000.14 km) |
| Basel to Castellammare del Golfo | 710.45 mi (1,143.36 km) |
| Basel to Castellammare di Stabia | 583.80 mi (939.53 km) |
| Basel to Castellamonte | 150.23 mi (241.77 km) |
| Basel to Castellana Grotte | 660.38 mi (1,062.77 km) |
| Basel to Castellaneta | 665.13 mi (1,070.43 km) |
| Basel to Castellanza | 147.63 mi (237.59 km) |
| Basel to Castellarano | 256.96 mi (413.53 km) |
| Basel to Castelleone | 187.18 mi (301.24 km) |
