| Waltham to Cehegin | 3,570.92 mi (5,746.85 km) |
| Waltham to Cervello | 3,641.54 mi (5,860.49 km) |
| Waltham to Cervera | 3,601.38 mi (5,795.86 km) |
| Waltham to Ceuti | 3,596.59 mi (5,788.16 km) |
| Waltham to Cheste | 3,579.14 mi (5,760.08 km) |
| Waltham to Chiclana de la Frontera | 3,414.46 mi (5,495.04 km) |
| Waltham to Chipiona | 3,390.32 mi (5,456.19 km) |
| Waltham to Chiva | 3,577.74 mi (5,757.82 km) |
| Waltham to Churriana de la Vega | 3,512.47 mi (5,652.77 km) |
| Waltham to Ciempozuelos | 3,419.02 mi (5,502.39 km) |
| Waltham to Cieza | 3,584.33 mi (5,768.42 km) |
| Waltham to Cisterniga | 3,325.72 mi (5,352.22 km) |
| Waltham to Ciudad de Melilla | 3,609.32 mi (5,808.64 km) |
| Waltham to Ciudad Real | 3,440.99 mi (5,537.73 km) |
| Waltham to Ciudad-Rodrigo | 3,267.15 mi (5,257.97 km) |
