| Colleferro to Portage (Michigan) | 4,741.81 mi (7,631.21 km) |
| Colleferro to Portage (Wisconsin) | 4,837.80 mi (7,785.68 km) |
| Colleferro to Portales (New Mexico) | 5,823.18 mi (9,371.50 km) |
| Colleferro to Porterville (California) | 6,266.57 mi (10,085.07 km) |
| Colleferro to Portland (Maine) | 4,040.63 mi (6,502.76 km) |
| Colleferro to Portland (Oregon) | 5,817.08 mi (9,361.69 km) |
| Colleferro to Portland (Tennessee) | 5,022.55 mi (8,083.02 km) |
| Colleferro to Portland (Texas) | 5,892.92 mi (9,483.74 km) |
| Colleferro to Portsmouth (New Hampshire) | 4,084.21 mi (6,572.90 km) |
| Colleferro to Portsmouth (Ohio) | 4,776.42 mi (7,686.90 km) |
| Colleferro to Portsmouth (Virginia) | 4,564.46 mi (7,345.79 km) |
| Colleferro to Post Falls (Idaho) | 5,541.66 mi (8,918.45 km) |
| Colleferro to Potomac (Maryland) | 4,515.97 mi (7,267.75 km) |
| Colleferro to Potomac Park (California) | 6,304.72 mi (10,146.46 km) |
| Colleferro to Pottstown (Pennsylvania) | 4,399.72 mi (7,080.67 km) |
