| Waltham to Cold Springs (Nevada) | 2,511.62 mi (4,042.06 km) |
| Waltham to Coldwater (Michigan) | 704.38 mi (1,133.59 km) |
| Waltham to Colesville (Maryland) | 378.53 mi (609.18 km) |
| Waltham to College (Alaska) | 3,241.17 mi (5,216.15 km) |
| Waltham to College Park (Georgia) | 938.10 mi (1,509.72 km) |
| Waltham to College Park (Maryland) | 379.13 mi (610.15 km) |
| Waltham to College Station (Texas) | 1,604.02 mi (2,581.42 km) |
| Waltham to Collegedale (Tennessee) | 898.66 mi (1,446.26 km) |
| Waltham to Colleyville (Texas) | 1,553.67 mi (2,500.39 km) |
| Waltham to Collierville (Tennessee) | 1,113.53 mi (1,792.05 km) |
| Waltham to Collinsville (Illinois) | 1,015.84 mi (1,634.84 km) |
| Waltham to Colonia (New Jersey) | 201.70 mi (324.60 km) |
| Waltham to Colonial Heights (Virginia) | 481.38 mi (774.71 km) |
| Waltham to Colonial Park (Pennsylvania) | 322.67 mi (519.29 km) |
| Waltham to Colorado Springs (Colorado) | 1,762.80 mi (2,836.96 km) |
