| Saint Helens to Cervignano del Friuli | 888.72 mi (1,430.26 km) |
| Saint Helens to Cesa | 1,168.56 mi (1,880.62 km) |
| Saint Helens to Cesano Maderno | 757.29 mi (1,218.74 km) |
| Saint Helens to Cesena | 934.41 mi (1,503.79 km) |
| Saint Helens to Cesenatico | 936.16 mi (1,506.60 km) |
| Saint Helens to Cetraro | 1,303.87 mi (2,098.37 km) |
| Saint Helens to Cherasco | 773.42 mi (1,244.70 km) |
| Saint Helens to Chiampo | 830.73 mi (1,336.93 km) |
| Saint Helens to Chiaravalle | 998.18 mi (1,606.42 km) |
| Saint Helens to Chiari | 786.39 mi (1,265.57 km) |
| Saint Helens to Chiavari | 834.17 mi (1,342.47 km) |
| Saint Helens to Chieri | 751.56 mi (1,209.51 km) |
| Saint Helens to Chieti | 1,091.23 mi (1,756.17 km) |
| Saint Helens to Chioggia | 880.76 mi (1,417.45 km) |
| Saint Helens to Chiusi | 984.85 mi (1,584.96 km) |
