| Upminster to Castelfidardo | 832.87 mi (1,340.38 km) |
| Upminster to Castelfiorentino | 741.19 mi (1,192.83 km) |
| Upminster to Castelfranco di Sopra | 758.59 mi (1,220.83 km) |
| Upminster to Castelfranco di Sotto | 729.05 mi (1,173.29 km) |
| Upminster to Castelfranco Emilia | 691.36 mi (1,112.64 km) |
| Upminster to Castelfranco Veneto | 669.76 mi (1,077.88 km) |
| Upminster to Castellabate | 1,047.98 mi (1,686.57 km) |
| Upminster to Castellammare del Golfo | 1,117.80 mi (1,798.92 km) |
| Upminster to Castellammare di Stabia | 1,010.09 mi (1,625.58 km) |
| Upminster to Castellamonte | 546.02 mi (878.73 km) |
| Upminster to Castellana Grotte | 1,089.54 mi (1,753.45 km) |
| Upminster to Castellaneta | 1,094.46 mi (1,761.37 km) |
| Upminster to Castellanza | 569.03 mi (915.76 km) |
| Upminster to Castellarano | 684.08 mi (1,100.92 km) |
| Upminster to Castelleone | 613.21 mi (986.87 km) |
