| Waltham to Cadiz | 3,403.38 mi (5,477.22 km) |
| Waltham to Calafell | 3,629.76 mi (5,841.53 km) |
| Waltham to Calahorra | 3,432.68 mi (5,524.37 km) |
| Waltham to Calasparra | 3,571.16 mi (5,747.22 km) |
| Waltham to Calatayud | 3,476.40 mi (5,594.73 km) |
| Waltham to Caldas de Montbuy | 3,643.65 mi (5,863.89 km) |
| Waltham to Caldas de Reyes | 3,112.60 mi (5,009.25 km) |
| Waltham to Calella | 3,666.95 mi (5,901.38 km) |
| Waltham to Callosa de Segura | 3,613.93 mi (5,816.06 km) |
| Waltham to Calpe | 3,640.74 mi (5,859.20 km) |
| Waltham to Calvia | 3,726.26 mi (5,996.84 km) |
| Waltham to Camas | 3,388.47 mi (5,453.22 km) |
| Waltham to Cambados | 3,107.65 mi (5,001.28 km) |
| Waltham to Cambre | 3,109.45 mi (5,004.18 km) |
| Waltham to Cambrils | 3,610.23 mi (5,810.11 km) |
