| Mack to Pell City (Alabama) | 396.06 mi (637.40 km) |
| Mack to Pella (Iowa) | 461.22 mi (742.27 km) |
| Mack to Pembroke Pines (Florida) | 941.83 mi (1,515.74 km) |
| Mack to Pendleton (Oregon) | 1,784.27 mi (2,871.50 km) |
| Mack to Pensacola (Florida) | 618.23 mi (994.94 km) |
| Mack to Peoria (Arizona) | 1,572.19 mi (2,530.19 km) |
| Mack to Peoria (Illinois) | 283.88 mi (456.85 km) |
| Mack to Perris (California) | 1,835.47 mi (2,953.90 km) |
| Mack to Perry (Georgia) | 464.41 mi (747.39 km) |
| Mack to Perry Hall (Maryland) | 438.85 mi (706.27 km) |
| Mack to Perrysburg (Ohio) | 173.84 mi (279.78 km) |
| Mack to Perth Amboy (New Jersey) | 559.88 mi (901.04 km) |
| Mack to Peru (Indiana) | 133.58 mi (214.97 km) |
| Mack to Petal (Mississippi) | 596.98 mi (960.75 km) |
| Mack to Petaluma (California) | 2,032.25 mi (3,270.59 km) |
