| Waltham to Chivasso | 3,786.21 mi (6,093.32 km) |
| Waltham to Ciampino | 4,107.05 mi (6,609.66 km) |
| Waltham to Cicciano | 4,222.54 mi (6,795.52 km) |
| Waltham to Cingoli | 4,077.76 mi (6,562.52 km) |
| Waltham to Cinisello Balsamo | 3,831.88 mi (6,166.82 km) |
| Waltham to Cinisi | 4,264.15 mi (6,862.49 km) |
| Waltham to Cirie | 3,772.40 mi (6,071.09 km) |
| Waltham to Ciro Marina | 4,397.71 mi (7,077.43 km) |
| Waltham to Cislago | 3,817.97 mi (6,144.43 km) |
| Waltham to Cisterna di Latina | 4,124.65 mi (6,637.99 km) |
| Waltham to Cisternino | 4,357.94 mi (7,013.43 km) |
| Waltham to Citta di Castello | 4,032.46 mi (6,489.62 km) |
| Waltham to Citta Sant'Angelo | 4,144.32 mi (6,669.63 km) |
| Waltham to Cittadella | 3,937.69 mi (6,337.10 km) |
| Waltham to Cittanova | 4,391.32 mi (7,067.14 km) |
