| Porsgrunn to Willow Grove (Pennsylvania) | 3,726.55 mi (5,997.31 km) |
| Porsgrunn to Willowbrook (California) | 5,352.46 mi (8,613.96 km) |
| Porsgrunn to Willowick (Ohio) | 3,854.46 mi (6,203.15 km) |
| Porsgrunn to Wilmette (Illinois) | 4,026.68 mi (6,480.31 km) |
| Porsgrunn to Wilmington (Delaware) | 3,762.46 mi (6,055.10 km) |
| Porsgrunn to Wilmington (North Carolina) | 4,144.20 mi (6,669.44 km) |
| Porsgrunn to Wilmington (Ohio) | 4,049.94 mi (6,517.75 km) |
| Porsgrunn to Wilmington Island (Georgia) | 4,372.29 mi (7,036.52 km) |
| Porsgrunn to Wilson (North Carolina) | 4,061.21 mi (6,535.89 km) |
| Porsgrunn to Wilsonville (Oregon) | 4,733.59 mi (7,617.97 km) |
| Porsgrunn to Wilton Manors (Florida) | 4,677.15 mi (7,527.14 km) |
| Porsgrunn to Wimauma (Florida) | 4,662.81 mi (7,504.07 km) |
| Porsgrunn to Winchester (Kentucky) | 4,141.63 mi (6,665.31 km) |
| Porsgrunn to Winchester (Nevada) | 5,139.30 mi (8,270.91 km) |
| Porsgrunn to Winchester (Virginia) | 3,880.68 mi (6,245.35 km) |
