| Waltham to Petaluma (California) | 2,680.91 mi (4,314.50 km) |
| Waltham to Petersburg (Virginia) | 484.37 mi (779.51 km) |
| Waltham to Pflugerville (Texas) | 1,671.54 mi (2,690.09 km) |
| Waltham to Pharr (Texas) | 1,889.70 mi (3,041.18 km) |
| Waltham to Phelan (California) | 2,532.69 mi (4,075.97 km) |
| Waltham to Phenix City (Alabama) | 1,018.71 mi (1,639.45 km) |
| Waltham to Philadelphia (Pennsylvania) | 260.72 mi (419.59 km) |
| Waltham to Phillipsburg (New Jersey) | 235.13 mi (378.41 km) |
| Waltham to Phoenix (Arizona) | 2,282.67 mi (3,673.61 km) |
| Waltham to Phoenixville (Pennsylvania) | 271.23 mi (436.50 km) |
| Waltham to Picayune (Mississippi) | 1,306.48 mi (2,102.57 km) |
| Waltham to Pickerington (Ohio) | 623.54 mi (1,003.49 km) |
| Waltham to Pico Rivera (California) | 2,575.48 mi (4,144.83 km) |
| Waltham to Piedmont (California) | 2,672.45 mi (4,300.90 km) |
| Waltham to Pierre (South Dakota) | 1,458.92 mi (2,347.90 km) |
