| Boone to Chivasso | 4,487.01 mi (7,221.14 km) |
| Boone to Ciampino | 4,807.04 mi (7,736.19 km) |
| Boone to Cicciano | 4,922.58 mi (7,922.13 km) |
| Boone to Cingoli | 4,778.66 mi (7,690.50 km) |
| Boone to Cinisello Balsamo | 4,532.93 mi (7,295.05 km) |
| Boone to Cinisi | 4,960.85 mi (7,983.72 km) |
| Boone to Cirie | 4,473.17 mi (7,198.87 km) |
| Boone to Ciro Marina | 5,097.55 mi (8,203.72 km) |
| Boone to Cislago | 4,519.02 mi (7,272.67 km) |
| Boone to Cisterna di Latina | 4,824.58 mi (7,764.41 km) |
| Boone to Cisternino | 5,058.60 mi (8,141.03 km) |
| Boone to Citta di Castello | 4,733.25 mi (7,617.43 km) |
| Boone to Citta Sant'Angelo | 4,845.04 mi (7,797.34 km) |
| Boone to Cittadella | 4,638.84 mi (7,465.49 km) |
| Boone to Cittanova | 5,089.91 mi (8,191.42 km) |
