| Upminster to Casamassima | 1,077.43 mi (1,733.95 km) |
| Upminster to Casandrino | 989.68 mi (1,592.73 km) |
| Upminster to Casapulla | 983.44 mi (1,582.69 km) |
| Upminster to Casarano | 1,169.23 mi (1,881.69 km) |
| Upminster to Casatenovo | 577.99 mi (930.18 km) |
| Upminster to Casciana Terme | 734.43 mi (1,181.95 km) |
| Upminster to Cascina | 723.82 mi (1,164.87 km) |
| Upminster to Caselle Torinese | 555.68 mi (894.28 km) |
| Upminster to Caserta | 985.04 mi (1,585.26 km) |
| Upminster to Casier | 683.83 mi (1,100.52 km) |
| Upminster to Casorate Primo | 588.50 mi (947.10 km) |
| Upminster to Casoria | 993.09 mi (1,598.23 km) |
| Upminster to Cassano al Ionio | 1,119.14 mi (1,801.08 km) |
| Upminster to Cassano d'Adda | 593.09 mi (954.48 km) |
| Upminster to Cassano delle Murge | 1,075.71 mi (1,731.19 km) |
