| Porsgrunn to Worthington (Ohio) | 3,988.22 mi (6,418.42 km) |
| Porsgrunn to Wright (Florida) | 4,650.02 mi (7,483.49 km) |
| Porsgrunn to Wyandanch (New York) | 3,635.71 mi (5,851.11 km) |
| Porsgrunn to Wyandotte (Michigan) | 3,876.87 mi (6,239.22 km) |
| Porsgrunn to Wylie (Texas) | 4,812.90 mi (7,745.62 km) |
| Porsgrunn to Wyndham (Virginia) | 3,942.74 mi (6,345.23 km) |
| Porsgrunn to Wyoming (Michigan) | 3,919.61 mi (6,308.00 km) |
| Porsgrunn to Wyomissing (Pennsylvania) | 3,745.07 mi (6,027.11 km) |
| Porsgrunn to Xenia (Ohio) | 4,040.38 mi (6,502.36 km) |
| Porsgrunn to Yakima (Washington) | 4,608.66 mi (7,416.92 km) |
| Porsgrunn to Yankton (South Dakota) | 4,265.75 mi (6,865.06 km) |
| Porsgrunn to Yauco (Puerto Rico) | 4,679.40 mi (7,530.76 km) |
| Porsgrunn to Yazoo City (Mississippi) | 4,632.68 mi (7,455.58 km) |
| Porsgrunn to Yeadon (Pennsylvania) | 3,742.56 mi (6,023.06 km) |
| Porsgrunn to Yelm (Washington) | 4,628.09 mi (7,448.19 km) |
