| Boulder to Pittsburg (Kansas) | 596.44 mi (959.88 km) |
| Boulder to Pittsburgh (Pennsylvania) | 1,329.01 mi (2,138.83 km) |
| Boulder to Pittsfield (Massachusetts) | 1,660.73 mi (2,672.68 km) |
| Boulder to Placentia (California) | 813.93 mi (1,309.89 km) |
| Boulder to Placerville (California) | 833.97 mi (1,342.15 km) |
| Boulder to Plainfield (Illinois) | 895.58 mi (1,441.30 km) |
| Boulder to Plainfield (Indiana) | 999.76 mi (1,608.96 km) |
| Boulder to Plainfield (New Jersey) | 1,616.62 mi (2,601.70 km) |
| Boulder to Plainview (New York) | 1,663.67 mi (2,677.41 km) |
| Boulder to Plainview (Texas) | 447.42 mi (720.05 km) |
| Boulder to Plano (Illinois) | 880.00 mi (1,416.23 km) |
| Boulder to Plano (Texas) | 673.95 mi (1,084.62 km) |
| Boulder to Plant City (Florida) | 1,555.89 mi (2,503.96 km) |
| Boulder to Plantation (Florida) | 1,726.92 mi (2,779.20 km) |
| Boulder to Platteville (Wisconsin) | 787.80 mi (1,267.85 km) |
