| Friendswood to Chivasso | 5,378.32 mi (8,655.57 km) |
| Friendswood to Ciampino | 5,702.20 mi (9,176.80 km) |
| Friendswood to Cicciano | 5,817.48 mi (9,362.34 km) |
| Friendswood to Cingoli | 5,668.77 mi (9,123.01 km) |
| Friendswood to Cinisello Balsamo | 5,421.56 mi (8,725.15 km) |
| Friendswood to Cinisi | 5,863.29 mi (9,436.06 km) |
| Friendswood to Cirie | 5,364.68 mi (8,633.62 km) |
| Friendswood to Ciro Marina | 5,993.07 mi (9,644.91 km) |
| Friendswood to Cislago | 5,407.64 mi (8,702.75 km) |
| Friendswood to Cisterna di Latina | 5,719.99 mi (9,205.43 km) |
| Friendswood to Cisternino | 5,950.27 mi (9,576.03 km) |
| Friendswood to Citta di Castello | 5,624.36 mi (9,051.53 km) |
| Friendswood to Citta Sant'Angelo | 5,736.48 mi (9,231.97 km) |
| Friendswood to Cittadella | 5,523.76 mi (8,889.64 km) |
| Friendswood to Cittanova | 5,988.95 mi (9,638.29 km) |
