| Friendswood to Cividale del Friuli | 5,573.64 mi (8,969.90 km) |
| Friendswood to Civita Castellana | 5,675.26 mi (9,133.45 km) |
| Friendswood to Civitanova Marche | 5,692.93 mi (9,161.89 km) |
| Friendswood to Civitavecchia | 5,656.43 mi (9,103.15 km) |
| Friendswood to Civitella in Val di Chiana | 5,603.76 mi (9,018.38 km) |
| Friendswood to Clusone | 5,440.11 mi (8,755.01 km) |
| Friendswood to Coccaglio | 5,452.70 mi (8,775.27 km) |
| Friendswood to Codigoro | 5,567.74 mi (8,960.41 km) |
| Friendswood to Codogno | 5,455.73 mi (8,780.14 km) |
| Friendswood to Codroipo | 5,560.60 mi (8,948.92 km) |
| Friendswood to Cogoleto | 5,438.33 mi (8,752.15 km) |
| Friendswood to Colle di Val d'Elsa | 5,579.65 mi (8,979.57 km) |
| Friendswood to Colle Salvetti | 5,544.70 mi (8,923.33 km) |
| Friendswood to Collecchio | 5,491.81 mi (8,838.21 km) |
| Friendswood to Colleferro | 5,722.65 mi (9,209.72 km) |
