| Mack to Portage (Michigan) | 216.13 mi (347.82 km) |
| Mack to Portage (Wisconsin) | 392.34 mi (631.40 km) |
| Mack to Portales (New Mexico) | 1,088.34 mi (1,751.51 km) |
| Mack to Porterville (California) | 1,881.22 mi (3,027.53 km) |
| Mack to Portland (Maine) | 808.08 mi (1,300.49 km) |
| Mack to Portland (Oregon) | 1,969.21 mi (3,169.14 km) |
| Mack to Portland (Tennessee) | 203.30 mi (327.18 km) |
| Mack to Portland (Texas) | 1,063.45 mi (1,711.45 km) |
| Mack to Portsmouth (New Hampshire) | 771.12 mi (1,241.00 km) |
| Mack to Portsmouth (Ohio) | 97.14 mi (156.33 km) |
| Mack to Portsmouth (Virginia) | 480.18 mi (772.77 km) |
| Mack to Post Falls (Idaho) | 1,708.58 mi (2,749.69 km) |
| Mack to Potomac (Maryland) | 401.45 mi (646.07 km) |
| Mack to Potomac Park (California) | 1,892.18 mi (3,045.17 km) |
| Mack to Pottstown (Pennsylvania) | 486.07 mi (782.25 km) |
