| Williston to Collegno | 4,771.73 mi (7,679.36 km) |
| Williston to Cologno al Serio | 4,813.59 mi (7,746.73 km) |
| Williston to Cologno Monzese | 4,803.10 mi (7,729.85 km) |
| Williston to Colorno | 4,869.32 mi (7,836.42 km) |
| Williston to Comacchio | 4,938.14 mi (7,947.17 km) |
| Williston to Comiso | 5,437.88 mi (8,751.42 km) |
| Williston to Como | 4,782.33 mi (7,696.42 km) |
| Williston to Concordia Sagittaria | 4,901.55 mi (7,888.28 km) |
| Williston to Concorezzo | 4,801.74 mi (7,727.65 km) |
| Williston to Conegliano | 4,878.27 mi (7,850.82 km) |
| Williston to Conselice | 4,937.02 mi (7,945.37 km) |
| Williston to Conselve | 4,899.85 mi (7,885.55 km) |
| Williston to Conversano | 5,294.94 mi (8,521.38 km) |
| Williston to Copertino | 5,362.80 mi (8,630.59 km) |
| Williston to Copparo | 4,916.58 mi (7,912.46 km) |
