| Howard to Chivasso | 4,390.14 mi (7,065.25 km) |
| Howard to Ciampino | 4,721.29 mi (7,598.19 km) |
| Howard to Cicciano | 4,834.42 mi (7,780.25 km) |
| Howard to Cingoli | 4,673.89 mi (7,521.89 km) |
| Howard to Cinisello Balsamo | 4,425.79 mi (7,122.61 km) |
| Howard to Cinisi | 4,908.22 mi (7,899.02 km) |
| Howard to Cirie | 4,377.21 mi (7,044.44 km) |
| Howard to Ciro Marina | 5,009.84 mi (8,062.55 km) |
| Howard to Cislago | 4,412.01 mi (7,100.45 km) |
| Howard to Cisterna di Latina | 4,739.68 mi (7,627.77 km) |
| Howard to Cisternino | 4,956.27 mi (7,976.35 km) |
| Howard to Citta di Castello | 4,632.63 mi (7,455.49 km) |
| Howard to Citta Sant'Angelo | 4,744.30 mi (7,635.22 km) |
| Howard to Cittadella | 4,518.10 mi (7,271.18 km) |
| Howard to Cittanova | 5,017.97 mi (8,075.64 km) |
