| Mack to Oxford (Alabama) | 389.29 mi (626.51 km) |
| Mack to Oxford (Mississippi) | 425.97 mi (685.54 km) |
| Mack to Oxford (Ohio) | 24.90 mi (40.08 km) |
| Mack to Oxnard (California) | 1,930.44 mi (3,106.75 km) |
| Mack to Oxon Hill (Maryland) | 414.62 mi (667.27 km) |
| Mack to Ozark (Alabama) | 534.69 mi (860.50 km) |
| Mack to Ozark (Missouri) | 486.37 mi (782.74 km) |
| Mack to Pace (Florida) | 605.94 mi (975.17 km) |
| Mack to Pacific Grove (California) | 2,024.41 mi (3,257.97 km) |
| Mack to Pacifica (California) | 2,035.21 mi (3,275.36 km) |
| Mack to Paducah (Kentucky) | 258.94 mi (416.72 km) |
| Mack to Pahrump (Nevada) | 1,715.74 mi (2,761.21 km) |
| Mack to Painesville (Ohio) | 253.15 mi (407.40 km) |
| Mack to Palatine (Illinois) | 270.47 mi (435.28 km) |
| Mack to Palatka (Florida) | 678.30 mi (1,091.62 km) |
