| Zachary to Portage (Indiana) | 786.41 mi (1,265.60 km) |
| Zachary to Portage (Michigan) | 854.61 mi (1,375.36 km) |
| Zachary to Portage (Wisconsin) | 895.08 mi (1,440.50 km) |
| Zachary to Portales (New Mexico) | 750.80 mi (1,208.29 km) |
| Zachary to Porterville (California) | 1,644.91 mi (2,647.23 km) |
| Zachary to Portland (Maine) | 1,452.75 mi (2,337.97 km) |
| Zachary to Portland (Oregon) | 1,977.69 mi (3,182.79 km) |
| Zachary to Portland (Tennessee) | 488.70 mi (786.49 km) |
| Zachary to Portland (Texas) | 417.81 mi (672.40 km) |
| Zachary to Portsmouth (New Hampshire) | 1,408.72 mi (2,267.11 km) |
| Zachary to Portsmouth (Ohio) | 727.54 mi (1,170.87 km) |
| Zachary to Portsmouth (Virginia) | 950.43 mi (1,529.57 km) |
| Zachary to Post Falls (Idaho) | 1,799.61 mi (2,896.20 km) |
| Zachary to Potomac (Maryland) | 978.07 mi (1,574.05 km) |
| Zachary to Potomac Park (California) | 1,637.47 mi (2,635.25 km) |
