| Friendswood to Collegno | 5,368.90 mi (8,640.41 km) |
| Friendswood to Cologno al Serio | 5,440.46 mi (8,755.57 km) |
| Friendswood to Cologno Monzese | 5,424.87 mi (8,730.49 km) |
| Friendswood to Colorno | 5,492.16 mi (8,838.78 km) |
| Friendswood to Comacchio | 5,575.46 mi (8,972.83 km) |
| Friendswood to Comiso | 5,978.58 mi (9,621.60 km) |
| Friendswood to Como | 5,406.98 mi (8,701.69 km) |
| Friendswood to Concordia Sagittaria | 5,562.76 mi (8,952.39 km) |
| Friendswood to Concorezzo | 5,425.11 mi (8,730.88 km) |
| Friendswood to Conegliano | 5,535.90 mi (8,909.16 km) |
| Friendswood to Conselice | 5,567.78 mi (8,960.47 km) |
| Friendswood to Conselve | 5,542.59 mi (8,919.93 km) |
| Friendswood to Conversano | 5,927.39 mi (9,539.20 km) |
| Friendswood to Copertino | 5,995.50 mi (9,648.82 km) |
| Friendswood to Copparo | 5,553.56 mi (8,937.59 km) |
