| Waltham to Rome (New York) | 222.96 mi (358.82 km) |
| Waltham to Romeoville (Illinois) | 865.58 mi (1,393.02 km) |
| Waltham to Romulus (Michigan) | 619.08 mi (996.32 km) |
| Waltham to Ronkonkoma (New York) | 146.47 mi (235.72 km) |
| Waltham to Roosevelt (New York) | 169.13 mi (272.20 km) |
| Waltham to Rosamond (California) | 2,554.78 mi (4,111.53 km) |
| Waltham to Rosaryville (Maryland) | 385.20 mi (619.91 km) |
| Waltham to Roscoe (Illinois) | 904.71 mi (1,455.99 km) |
| Waltham to Rose Hill (Virginia) | 395.64 mi (636.73 km) |
| Waltham to Roseburg (Oregon) | 2,598.30 mi (4,181.56 km) |
| Waltham to Rosedale (California) | 2,589.36 mi (4,167.17 km) |
| Waltham to Rosedale (Maryland) | 347.01 mi (558.47 km) |
| Waltham to Roselle (Illinois) | 861.40 mi (1,386.29 km) |
| Waltham to Roselle (New Jersey) | 196.85 mi (316.80 km) |
| Waltham to Roselle Park (New Jersey) | 196.58 mi (316.37 km) |
