| Boone to Collegno | 4,476.89 mi (7,204.86 km) |
| Boone to Cologno al Serio | 4,552.55 mi (7,326.62 km) |
| Boone to Cologno Monzese | 4,536.26 mi (7,300.41 km) |
| Boone to Colorno | 4,603.07 mi (7,407.92 km) |
| Boone to Comacchio | 4,688.00 mi (7,544.60 km) |
| Boone to Comiso | 5,075.40 mi (8,168.07 km) |
| Boone to Como | 4,519.03 mi (7,272.67 km) |
| Boone to Concordia Sagittaria | 4,679.75 mi (7,531.32 km) |
| Boone to Concorezzo | 4,536.77 mi (7,301.22 km) |
| Boone to Conegliano | 4,652.50 mi (7,487.47 km) |
| Boone to Conselice | 4,679.27 mi (7,530.56 km) |
| Boone to Conselve | 4,656.40 mi (7,493.75 km) |
| Boone to Conversano | 5,035.90 mi (8,104.50 km) |
| Boone to Copertino | 5,103.48 mi (8,213.25 km) |
| Boone to Copparo | 4,666.26 mi (7,509.61 km) |
