| Middlesex to Princeton (Florida) | 1,092.76 mi (1,758.63 km) |
| Middlesex to Princeton (New Jersey) | 17.48 mi (28.13 km) |
| Middlesex to Princeton (Texas) | 1,314.54 mi (2,115.55 km) |
| Middlesex to Princeton Meadows (New Jersey) | 16.90 mi (27.20 km) |
| Middlesex to Prineville (Oregon) | 2,346.36 mi (3,776.10 km) |
| Middlesex to Prior Lake (Minnesota) | 1,001.70 mi (1,612.08 km) |
| Middlesex to Progress (Pennsylvania) | 124.53 mi (200.41 km) |
| Middlesex to Prospect Heights (Illinois) | 703.68 mi (1,132.47 km) |
| Middlesex to Prosper (Texas) | 1,327.86 mi (2,136.98 km) |
| Middlesex to Providence (Rhode Island) | 181.98 mi (292.86 km) |
| Middlesex to Provo (Utah) | 1,939.57 mi (3,121.44 km) |
| Middlesex to Prunedale (California) | 2,525.98 mi (4,065.17 km) |
| Middlesex to Pueblo (Colorado) | 1,607.10 mi (2,586.38 km) |
| Middlesex to Pueblo West (Colorado) | 1,611.65 mi (2,593.70 km) |
| Middlesex to Pullman (Washington) | 2,147.56 mi (3,456.17 km) |
