| Waltham to Poinciana (Florida) | 1,140.57 mi (1,835.57 km) |
| Waltham to Point Pleasant (New Jersey) | 217.00 mi (349.24 km) |
| Waltham to Pomona (California) | 2,556.70 mi (4,114.61 km) |
| Waltham to Pompano Beach (Florida) | 1,223.76 mi (1,969.45 km) |
| Waltham to Pompton Lakes (New Jersey) | 183.92 mi (295.99 km) |
| Waltham to Pompton Plains (New Jersey) | 186.15 mi (299.59 km) |
| Waltham to Ponca City (Oklahoma) | 1,424.11 mi (2,291.88 km) |
| Waltham to Ponce (Puerto Rico) | 1,706.00 mi (2,745.54 km) |
| Waltham to Pontiac (Illinois) | 902.75 mi (1,452.84 km) |
| Waltham to Pontiac (Michigan) | 613.17 mi (986.80 km) |
| Waltham to Pooler (Georgia) | 897.68 mi (1,444.67 km) |
| Waltham to Poplar Bluff (Missouri) | 1,089.47 mi (1,753.34 km) |
| Waltham to Poquoson (Virginia) | 453.38 mi (729.64 km) |
| Waltham to Port Angeles (Washington) | 2,520.73 mi (4,056.72 km) |
| Waltham to Port Arthur (Texas) | 1,526.02 mi (2,455.88 km) |
