| Waltham to Cervignano del Friuli | 3,997.03 mi (6,432.59 km) |
| Waltham to Cesa | 4,209.37 mi (6,774.32 km) |
| Waltham to Cesano Maderno | 3,826.24 mi (6,157.74 km) |
| Waltham to Cesena | 4,008.85 mi (6,451.63 km) |
| Waltham to Cesenatico | 4,013.17 mi (6,458.57 km) |
| Waltham to Cetraro | 4,340.68 mi (6,985.64 km) |
| Waltham to Cherasco | 3,802.63 mi (6,119.74 km) |
| Waltham to Chiampo | 3,919.88 mi (6,308.44 km) |
| Waltham to Chiaravalle | 4,074.49 mi (6,557.25 km) |
| Waltham to Chiari | 3,861.35 mi (6,214.24 km) |
| Waltham to Chiavari | 3,877.23 mi (6,239.80 km) |
| Waltham to Chieri | 3,789.05 mi (6,097.89 km) |
| Waltham to Chieti | 4,155.45 mi (6,687.55 km) |
| Waltham to Chioggia | 3,973.19 mi (6,394.24 km) |
| Waltham to Chiusi | 4,035.30 mi (6,494.19 km) |
