| Potomac to Princeton (Florida) | 949.42 mi (1,527.95 km) |
| Potomac to Princeton (New Jersey) | 163.16 mi (262.58 km) |
| Potomac to Princeton (Texas) | 1,148.22 mi (1,847.88 km) |
| Potomac to Princeton Meadows (New Jersey) | 166.95 mi (268.68 km) |
| Potomac to Prineville (Oregon) | 2,256.37 mi (3,631.28 km) |
| Potomac to Prior Lake (Minnesota) | 922.20 mi (1,484.13 km) |
| Potomac to Progress (Pennsylvania) | 90.16 mi (145.10 km) |
| Potomac to Prospect Heights (Illinois) | 601.93 mi (968.72 km) |
| Potomac to Prosper (Texas) | 1,162.19 mi (1,870.36 km) |
| Potomac to Providence (Rhode Island) | 360.38 mi (579.98 km) |
| Potomac to Provo (Utah) | 1,823.73 mi (2,935.00 km) |
| Potomac to Prunedale (California) | 2,404.35 mi (3,869.42 km) |
| Potomac to Pueblo (Colorado) | 1,474.88 mi (2,373.60 km) |
| Potomac to Pueblo West (Colorado) | 1,479.95 mi (2,381.76 km) |
| Potomac to Pullman (Washington) | 2,069.01 mi (3,329.75 km) |
