| Friendswood to Castrovillari | 5,934.93 mi (9,551.35 km) |
| Friendswood to Catania | 5,978.87 mi (9,622.06 km) |
| Friendswood to Catanzaro | 5,989.33 mi (9,638.89 km) |
| Friendswood to Cattolica | 5,625.81 mi (9,053.86 km) |
| Friendswood to Cava de' Tirreni | 5,835.13 mi (9,390.73 km) |
| Friendswood to Cavallino | 5,999.75 mi (9,655.67 km) |
| Friendswood to Cavarzere | 5,554.99 mi (8,939.90 km) |
| Friendswood to Cave | 5,715.89 mi (9,198.83 km) |
| Friendswood to Cavriago | 5,506.86 mi (8,862.44 km) |
| Friendswood to Cavriglia | 5,590.17 mi (8,996.52 km) |
| Friendswood to Cazzago San Martino | 5,454.01 mi (8,777.38 km) |
| Friendswood to Ceccano | 5,742.64 mi (9,241.89 km) |
| Friendswood to Cecina | 5,556.44 mi (8,942.22 km) |
| Friendswood to Cefalu | 5,909.69 mi (9,510.73 km) |
| Friendswood to Ceglie Messapico | 5,956.49 mi (9,586.05 km) |
