| Skien to Portage (Michigan) | 3,945.90 mi (6,350.31 km) |
| Skien to Portage (Wisconsin) | 3,989.79 mi (6,420.95 km) |
| Skien to Portales (New Mexico) | 4,938.62 mi (7,947.94 km) |
| Skien to Porterville (California) | 5,227.86 mi (8,413.43 km) |
| Skien to Portland (Maine) | 3,371.94 mi (5,426.61 km) |
| Skien to Portland (Oregon) | 4,708.53 mi (7,577.64 km) |
| Skien to Portland (Tennessee) | 4,287.82 mi (6,900.58 km) |
| Skien to Portland (Texas) | 5,134.00 mi (8,262.38 km) |
| Skien to Portsmouth (New Hampshire) | 3,420.95 mi (5,505.48 km) |
| Skien to Portsmouth (Ohio) | 4,051.98 mi (6,521.03 km) |
| Skien to Portsmouth (Virginia) | 3,939.52 mi (6,340.05 km) |
| Skien to Post Falls (Idaho) | 4,455.36 mi (7,170.22 km) |
| Skien to Potomac (Maryland) | 3,849.38 mi (6,194.98 km) |
| Skien to Potomac Park (California) | 5,270.37 mi (8,481.84 km) |
| Skien to Pottstown (Pennsylvania) | 3,731.15 mi (6,004.70 km) |
