| Boulder to Parma Heights (Ohio) | 1,230.09 mi (1,979.65 km) |
| Boulder to Parole (Maryland) | 1,525.09 mi (2,454.39 km) |
| Boulder to Parsippany (New Jersey) | 1,614.21 mi (2,597.82 km) |
| Boulder to Pasadena (California) | 816.49 mi (1,314.02 km) |
| Boulder to Pasadena (Maryland) | 1,522.63 mi (2,450.43 km) |
| Boulder to Pasadena (Texas) | 915.88 mi (1,473.96 km) |
| Boulder to Pasadena Hills (Florida) | 1,538.57 mi (2,476.09 km) |
| Boulder to Pascagoula (Mississippi) | 1,152.06 mi (1,854.06 km) |
| Boulder to Pasco (Washington) | 819.61 mi (1,319.03 km) |
| Boulder to Passaic (New Jersey) | 1,629.04 mi (2,621.68 km) |
| Boulder to Pataskala (Ohio) | 1,189.33 mi (1,914.04 km) |
| Boulder to Patchogue (New York) | 1,687.40 mi (2,715.61 km) |
| Boulder to Paterson (New Jersey) | 1,626.70 mi (2,617.93 km) |
| Boulder to Patterson (California) | 873.48 mi (1,405.73 km) |
| Boulder to Pawtucket (Rhode Island) | 1,761.06 mi (2,834.16 km) |
