| Sidcup to Castelfidardo | 832.70 mi (1,340.09 km) |
| Sidcup to Castelfiorentino | 739.74 mi (1,190.49 km) |
| Sidcup to Castelfranco di Sopra | 757.49 mi (1,219.06 km) |
| Sidcup to Castelfranco di Sotto | 727.54 mi (1,170.86 km) |
| Sidcup to Castelfranco Emilia | 690.65 mi (1,111.50 km) |
| Sidcup to Castelfranco Veneto | 670.40 mi (1,078.90 km) |
| Sidcup to Castellabate | 1,046.77 mi (1,684.62 km) |
| Sidcup to Castellammare del Golfo | 1,114.79 mi (1,794.08 km) |
| Sidcup to Castellammare di Stabia | 1,008.86 mi (1,623.60 km) |
| Sidcup to Castellamonte | 543.69 mi (874.99 km) |
| Sidcup to Castellana Grotte | 1,089.54 mi (1,753.45 km) |
| Sidcup to Castellaneta | 1,094.25 mi (1,761.03 km) |
| Sidcup to Castellanza | 567.77 mi (913.74 km) |
| Sidcup to Castellarano | 683.19 mi (1,099.49 km) |
| Sidcup to Castelleone | 612.26 mi (985.34 km) |
