| Porsgrunn to West St. Paul (Minnesota) | 4,029.05 mi (6,484.13 km) |
| Porsgrunn to West University Place (Texas) | 4,974.96 mi (8,006.43 km) |
| Porsgrunn to West Valley City (Utah) | 4,782.34 mi (7,696.44 km) |
| Porsgrunn to West Whittier-Los Nietos (California) | 5,345.04 mi (8,602.01 km) |
| Porsgrunn to Westbrook (Maine) | 3,381.12 mi (5,441.38 km) |
| Porsgrunn to Westbury (New York) | 3,642.74 mi (5,862.42 km) |
| Porsgrunn to Westchase (Florida) | 4,652.38 mi (7,487.28 km) |
| Porsgrunn to Westchester (Florida) | 4,708.18 mi (7,577.09 km) |
| Porsgrunn to Westchester (Illinois) | 4,044.29 mi (6,508.66 km) |
| Porsgrunn to Western Springs (Illinois) | 4,047.20 mi (6,513.34 km) |
| Porsgrunn to Westerville (Ohio) | 3,983.42 mi (6,410.70 km) |
| Porsgrunn to Westfield (Indiana) | 4,091.04 mi (6,583.89 km) |
| Porsgrunn to Westfield (Massachusetts) | 3,542.20 mi (5,700.62 km) |
| Porsgrunn to Westfield (New Jersey) | 3,673.74 mi (5,912.32 km) |
| Porsgrunn to Westlake (Ohio) | 3,879.10 mi (6,242.81 km) |
