| Marietta to Portage (Michigan) | 572.62 mi (921.55 km) |
| Marietta to Portage (Wisconsin) | 713.75 mi (1,148.67 km) |
| Marietta to Portales (New Mexico) | 1,075.46 mi (1,730.79 km) |
| Marietta to Porterville (California) | 1,947.21 mi (3,133.73 km) |
| Marietta to Portland (Maine) | 1,017.97 mi (1,638.26 km) |
| Marietta to Portland (Oregon) | 2,152.46 mi (3,464.05 km) |
| Marietta to Portland (Tennessee) | 213.85 mi (344.16 km) |
| Marietta to Portland (Texas) | 864.76 mi (1,391.70 km) |
| Marietta to Portsmouth (New Hampshire) | 972.01 mi (1,564.30 km) |
| Marietta to Portsmouth (Ohio) | 343.37 mi (552.61 km) |
| Marietta to Portsmouth (Virginia) | 502.39 mi (808.53 km) |
| Marietta to Post Falls (Idaho) | 1,922.18 mi (3,093.45 km) |
| Marietta to Potomac (Maryland) | 537.14 mi (864.45 km) |
| Marietta to Potomac Park (California) | 1,948.93 mi (3,136.51 km) |
| Marietta to Pottstown (Pennsylvania) | 654.91 mi (1,053.97 km) |
