| Waltham to Celano | 4,138.57 mi (6,660.39 km) |
| Waltham to Cento | 3,947.32 mi (6,352.59 km) |
| Waltham to Cepagatti | 4,150.50 mi (6,679.59 km) |
| Waltham to Ceprano | 4,156.37 mi (6,689.03 km) |
| Waltham to Cercola | 4,218.22 mi (6,788.57 km) |
| Waltham to Cerea | 3,928.76 mi (6,322.72 km) |
| Waltham to Cerese | 3,913.87 mi (6,298.76 km) |
| Waltham to Cerignola | 4,270.96 mi (6,873.45 km) |
| Waltham to Cermenate | 3,821.35 mi (6,149.87 km) |
| Waltham to Cernusco sul Naviglio | 3,837.95 mi (6,176.58 km) |
| Waltham to Cerreto Guidi | 3,962.97 mi (6,377.78 km) |
| Waltham to Cerro Maggiore | 3,818.86 mi (6,145.86 km) |
| Waltham to Certaldo | 3,977.33 mi (6,400.89 km) |
| Waltham to Cerveteri | 4,077.90 mi (6,562.75 km) |
| Waltham to Cervia | 4,009.48 mi (6,452.64 km) |
