| Porsgrunn to Watervliet (New York) | 3,543.19 mi (5,702.21 km) |
| Porsgrunn to Watsonville (California) | 5,243.79 mi (8,439.06 km) |
| Porsgrunn to Wauconda (Illinois) | 4,028.21 mi (6,482.77 km) |
| Porsgrunn to Waukee (Iowa) | 4,238.56 mi (6,821.31 km) |
| Porsgrunn to Waukegan (Illinois) | 4,014.87 mi (6,461.32 km) |
| Porsgrunn to Waukesha (Wisconsin) | 3,990.99 mi (6,422.88 km) |
| Porsgrunn to Waunakee (Wisconsin) | 4,017.55 mi (6,465.63 km) |
| Porsgrunn to Waupun (Wisconsin) | 3,971.49 mi (6,391.49 km) |
| Porsgrunn to Wausau (Wisconsin) | 3,925.30 mi (6,317.15 km) |
| Porsgrunn to Wauwatosa (Wisconsin) | 3,981.64 mi (6,407.83 km) |
| Porsgrunn to Waverly (Iowa) | 4,133.19 mi (6,651.73 km) |
| Porsgrunn to Waverly (Michigan) | 3,894.56 mi (6,267.68 km) |
| Porsgrunn to Waxahachie (Texas) | 4,860.14 mi (7,821.64 km) |
| Porsgrunn to Waxhaw (North Carolina) | 4,199.64 mi (6,758.67 km) |
| Porsgrunn to Waycross (Georgia) | 4,463.71 mi (7,183.65 km) |
