| Boone to Cortona | 4,728.54 mi (7,609.85 km) |
| Boone to Cosenza | 5,061.16 mi (8,145.15 km) |
| Boone to Cossato | 4,487.28 mi (7,221.59 km) |
| Boone to Costa Volpino | 4,561.54 mi (7,341.09 km) |
| Boone to Creazzo | 4,630.06 mi (7,451.37 km) |
| Boone to Crema | 4,558.84 mi (7,336.75 km) |
| Boone to Cremona | 4,581.46 mi (7,373.15 km) |
| Boone to Crevalcore | 4,643.20 mi (7,472.51 km) |
| Boone to Crispiano | 5,054.98 mi (8,135.20 km) |
| Boone to Crosia | 5,073.97 mi (8,165.76 km) |
| Boone to Crotone | 5,108.08 mi (8,220.66 km) |
| Boone to Cuneo | 4,497.73 mi (7,238.39 km) |
| Boone to Cuorgne | 4,470.50 mi (7,194.57 km) |
| Boone to Cusano Milanino | 4,531.50 mi (7,292.75 km) |
| Boone to Cutro | 5,104.05 mi (8,214.18 km) |
