| Boulder to Pikesville (Maryland) | 1,511.71 mi (2,432.87 km) |
| Boulder to Pine Bluff (Arkansas) | 831.22 mi (1,337.72 km) |
| Boulder to Pine Castle (Florida) | 1,572.94 mi (2,531.41 km) |
| Boulder to Pine Hill (New Jersey) | 1,596.45 mi (2,569.25 km) |
| Boulder to Pine Hills (Florida) | 1,563.50 mi (2,516.21 km) |
| Boulder to Pinecrest (Florida) | 1,745.55 mi (2,809.20 km) |
| Boulder to Pinehurst (North Carolina) | 1,444.76 mi (2,325.12 km) |
| Boulder to Pinellas Park (Florida) | 1,534.56 mi (2,469.63 km) |
| Boulder to Pineville (Louisiana) | 936.04 mi (1,506.41 km) |
| Boulder to Pineville (North Carolina) | 1,372.52 mi (2,208.86 km) |
| Boulder to Pinewood (Florida) | 1,740.45 mi (2,800.98 km) |
| Boulder to Piney Green (North Carolina) | 1,569.13 mi (2,525.27 km) |
| Boulder to Pinole (California) | 923.62 mi (1,486.42 km) |
| Boulder to Piqua (Ohio) | 1,107.94 mi (1,783.06 km) |
| Boulder to Pittsburg (California) | 902.77 mi (1,452.86 km) |
