| Saint Helens to Castrovillari | 1,294.23 mi (2,082.86 km) |
| Saint Helens to Catania | 1,392.35 mi (2,240.78 km) |
| Saint Helens to Catanzaro | 1,357.87 mi (2,185.28 km) |
| Saint Helens to Cattolica | 959.38 mi (1,543.97 km) |
| Saint Helens to Cava de' Tirreni | 1,197.93 mi (1,927.87 km) |
| Saint Helens to Cavallino | 1,333.20 mi (2,145.57 km) |
| Saint Helens to Cavarzere | 878.17 mi (1,413.28 km) |
| Saint Helens to Cave | 1,081.21 mi (1,740.03 km) |
| Saint Helens to Cavriago | 850.02 mi (1,367.97 km) |
| Saint Helens to Cavriglia | 943.18 mi (1,517.89 km) |
| Saint Helens to Cazzago San Martino | 787.76 mi (1,267.77 km) |
| Saint Helens to Ceccano | 1,107.39 mi (1,782.17 km) |
| Saint Helens to Cecina | 924.79 mi (1,488.31 km) |
| Saint Helens to Cefalu | 1,330.19 mi (2,140.74 km) |
| Saint Helens to Ceglie Messapico | 1,291.89 mi (2,079.10 km) |
