| Ferentino to Portage (Michigan) | 4,753.41 mi (7,649.87 km) |
| Ferentino to Portage (Wisconsin) | 4,849.12 mi (7,803.91 km) |
| Ferentino to Portales (New Mexico) | 5,834.44 mi (9,389.63 km) |
| Ferentino to Porterville (California) | 6,276.54 mi (10,101.12 km) |
| Ferentino to Portland (Maine) | 4,052.63 mi (6,522.07 km) |
| Ferentino to Portland (Oregon) | 5,826.00 mi (9,376.04 km) |
| Ferentino to Portland (Tennessee) | 5,034.46 mi (8,102.18 km) |
| Ferentino to Portland (Texas) | 5,904.84 mi (9,502.93 km) |
| Ferentino to Portsmouth (New Hampshire) | 4,096.23 mi (6,592.25 km) |
| Ferentino to Portsmouth (Ohio) | 4,788.33 mi (7,706.07 km) |
| Ferentino to Portsmouth (Virginia) | 4,576.67 mi (7,365.43 km) |
| Ferentino to Post Falls (Idaho) | 5,550.90 mi (8,933.30 km) |
| Ferentino to Potomac (Maryland) | 4,528.05 mi (7,287.19 km) |
| Ferentino to Potomac Park (California) | 6,314.75 mi (10,162.61 km) |
| Ferentino to Pottstown (Pennsylvania) | 4,411.77 mi (7,100.06 km) |
