| Clarkston to Chivasso | 4,704.98 mi (7,571.93 km) |
| Clarkston to Ciampino | 5,024.09 mi (8,085.50 km) |
| Clarkston to Cicciano | 5,139.66 mi (8,271.48 km) |
| Clarkston to Cingoli | 4,996.77 mi (8,041.53 km) |
| Clarkston to Cinisello Balsamo | 4,751.37 mi (7,646.59 km) |
| Clarkston to Cinisi | 5,175.48 mi (8,329.13 km) |
| Clarkston to Cirie | 4,691.11 mi (7,549.61 km) |
| Clarkston to Ciro Marina | 5,314.43 mi (8,552.75 km) |
| Clarkston to Cislago | 4,737.46 mi (7,624.21 km) |
| Clarkston to Cisterna di Latina | 5,041.56 mi (8,113.61 km) |
| Clarkston to Cisternino | 5,276.35 mi (8,491.47 km) |
| Clarkston to Citta di Castello | 4,951.19 mi (7,968.17 km) |
| Clarkston to Citta Sant'Angelo | 5,062.90 mi (8,147.94 km) |
| Clarkston to Cittadella | 4,857.79 mi (7,817.85 km) |
| Clarkston to Cittanova | 5,305.78 mi (8,538.83 km) |
