| Clemmons to Chivasso | 4,438.99 mi (7,143.87 km) |
| Clemmons to Ciampino | 4,757.66 mi (7,656.71 km) |
| Clemmons to Cicciano | 4,873.23 mi (7,842.70 km) |
| Clemmons to Cingoli | 4,730.86 mi (7,613.59 km) |
| Clemmons to Cinisello Balsamo | 4,485.71 mi (7,219.05 km) |
| Clemmons to Cinisi | 4,908.67 mi (7,899.74 km) |
| Clemmons to Cirie | 4,425.10 mi (7,121.52 km) |
| Clemmons to Ciro Marina | 5,047.93 mi (8,123.86 km) |
| Clemmons to Cislago | 4,471.80 mi (7,196.67 km) |
| Clemmons to Cisterna di Latina | 4,775.10 mi (7,684.78 km) |
| Clemmons to Cisternino | 5,010.22 mi (8,063.17 km) |
| Clemmons to Citta di Castello | 4,685.18 mi (7,540.07 km) |
| Clemmons to Citta Sant'Angelo | 4,796.82 mi (7,719.74 km) |
| Clemmons to Cittadella | 4,592.59 mi (7,391.06 km) |
| Clemmons to Cittanova | 5,039.05 mi (8,109.57 km) |
