| Romford to Castelfidardo | 836.19 mi (1,345.71 km) |
| Romford to Castelfiorentino | 744.41 mi (1,198.00 km) |
| Romford to Castelfranco di Sopra | 761.84 mi (1,226.06 km) |
| Romford to Castelfranco di Sotto | 732.26 mi (1,178.46 km) |
| Romford to Castelfranco Emilia | 694.64 mi (1,117.92 km) |
| Romford to Castelfranco Veneto | 673.12 mi (1,083.28 km) |
| Romford to Castellabate | 1,051.22 mi (1,691.78 km) |
| Romford to Castellammare del Golfo | 1,120.83 mi (1,803.81 km) |
| Romford to Castellammare di Stabia | 1,013.33 mi (1,630.79 km) |
| Romford to Castellamonte | 549.14 mi (883.75 km) |
| Romford to Castellana Grotte | 1,092.87 mi (1,758.81 km) |
| Romford to Castellaneta | 1,097.78 mi (1,766.71 km) |
| Romford to Castellanza | 572.26 mi (920.96 km) |
| Romford to Castellarano | 687.35 mi (1,106.18 km) |
| Romford to Castelleone | 616.47 mi (992.11 km) |
