| Southwick to Castelfidardo | 821.78 mi (1,322.52 km) |
| Southwick to Castelfiorentino | 724.13 mi (1,165.38 km) |
| Southwick to Castelfranco di Sopra | 743.17 mi (1,196.01 km) |
| Southwick to Castelfranco di Sotto | 711.73 mi (1,145.41 km) |
| Southwick to Castelfranco Emilia | 677.96 mi (1,091.07 km) |
| Southwick to Castelfranco Veneto | 662.95 mi (1,066.92 km) |
| Southwick to Castellabate | 1,031.65 mi (1,660.28 km) |
| Southwick to Castellammare del Golfo | 1,092.99 mi (1,759.01 km) |
| Southwick to Castellammare di Stabia | 993.68 mi (1,599.18 km) |
| Southwick to Castellamonte | 525.32 mi (845.42 km) |
| Southwick to Castellana Grotte | 1,078.96 mi (1,736.42 km) |
| Southwick to Castellaneta | 1,082.86 mi (1,742.69 km) |
| Southwick to Castellanza | 553.36 mi (890.55 km) |
| Southwick to Castellarano | 669.82 mi (1,077.98 km) |
| Southwick to Castelleone | 598.86 mi (963.78 km) |
