| Upminster to Castrovillari | 1,113.50 mi (1,792.01 km) |
| Upminster to Catania | 1,210.55 mi (1,948.20 km) |
| Upminster to Catanzaro | 1,176.83 mi (1,893.92 km) |
| Upminster to Cattolica | 779.77 mi (1,254.91 km) |
| Upminster to Cava de' Tirreni | 1,016.80 mi (1,636.38 km) |
| Upminster to Cavallino | 1,154.85 mi (1,858.55 km) |
| Upminster to Cavarzere | 699.83 mi (1,126.27 km) |
| Upminster to Cave | 899.73 mi (1,447.98 km) |
| Upminster to Cavriago | 669.05 mi (1,076.73 km) |
| Upminster to Cavriglia | 761.89 mi (1,226.15 km) |
| Upminster to Cazzago San Martino | 607.41 mi (977.53 km) |
| Upminster to Ceccano | 925.99 mi (1,490.23 km) |
| Upminster to Cecina | 743.02 mi (1,195.78 km) |
| Upminster to Cefalu | 1,148.47 mi (1,848.29 km) |
| Upminster to Ceglie Messapico | 1,113.18 mi (1,791.49 km) |
