| Friendswood to Cernavoda | 6,205.90 mi (9,987.43 km) |
| Friendswood to Chitila | 6,123.39 mi (9,854.65 km) |
| Friendswood to Cisnadie | 6,001.40 mi (9,658.31 km) |
| Friendswood to Cluj-Napoca | 5,933.59 mi (9,549.19 km) |
| Friendswood to Codlea | 6,049.20 mi (9,735.25 km) |
| Friendswood to Comanesti | 6,051.41 mi (9,738.80 km) |
| Friendswood to Comarnic | 6,076.56 mi (9,779.29 km) |
| Friendswood to Constanta | 6,235.58 mi (10,035.20 km) |
| Friendswood to Corabia | 6,101.91 mi (9,820.07 km) |
| Friendswood to Costesti | 6,075.38 mi (9,777.39 km) |
| Friendswood to Covasna | 6,068.87 mi (9,766.90 km) |
| Friendswood to Craiova | 6,050.85 mi (9,737.91 km) |
| Friendswood to Cristuru Secuiesc | 6,007.34 mi (9,667.88 km) |
| Friendswood to Cugir | 5,966.62 mi (9,602.34 km) |
| Friendswood to Cumpana | 6,235.38 mi (10,034.87 km) |
