| Waltham to Prichard (Alabama) | 1,229.53 mi (1,978.74 km) |
| Waltham to Princeton (Florida) | 1,275.00 mi (2,051.92 km) |
| Waltham to Princeton (New Jersey) | 226.46 mi (364.45 km) |
| Waltham to Princeton (Texas) | 1,511.56 mi (2,432.61 km) |
| Waltham to Princeton Meadows (New Jersey) | 223.21 mi (359.22 km) |
| Waltham to Prineville (Oregon) | 2,458.32 mi (3,956.29 km) |
| Waltham to Prior Lake (Minnesota) | 1,119.65 mi (1,801.89 km) |
| Waltham to Progress (Pennsylvania) | 324.46 mi (522.17 km) |
| Waltham to Prospect Heights (Illinois) | 852.21 mi (1,371.51 km) |
| Waltham to Prosper (Texas) | 1,524.20 mi (2,452.96 km) |
| Waltham to Providence (Rhode Island) | 40.13 mi (64.59 km) |
| Waltham to Provo (Utah) | 2,082.12 mi (3,350.84 km) |
| Waltham to Prunedale (California) | 2,671.95 mi (4,300.09 km) |
| Waltham to Pueblo (Colorado) | 1,768.87 mi (2,846.72 km) |
| Waltham to Pueblo West (Colorado) | 1,772.85 mi (2,853.13 km) |
