| Porsgrunn to Dover (New Jersey) | 3,668.51 mi (5,903.90 km) |
| Porsgrunn to Dover (Ohio) | 3,914.86 mi (6,300.36 km) |
| Porsgrunn to Downers Grove (Illinois) | 4,051.19 mi (6,519.76 km) |
| Porsgrunn to Downey (California) | 5,348.91 mi (8,608.24 km) |
| Porsgrunn to Dranesville (Virginia) | 3,863.65 mi (6,217.94 km) |
| Porsgrunn to Draper (Utah) | 4,790.41 mi (7,709.42 km) |
| Porsgrunn to Drexel Heights (Arizona) | 5,281.94 mi (8,500.46 km) |
| Porsgrunn to Drexel Hill (Pennsylvania) | 3,743.35 mi (6,024.35 km) |
| Porsgrunn to Duarte (California) | 5,330.59 mi (8,578.75 km) |
| Porsgrunn to Dublin (California) | 5,196.07 mi (8,362.27 km) |
| Porsgrunn to Dublin (Georgia) | 4,407.52 mi (7,093.21 km) |
| Porsgrunn to Dublin (Ohio) | 3,991.32 mi (6,423.41 km) |
| Porsgrunn to Dubuque (Iowa) | 4,093.43 mi (6,587.74 km) |
| Porsgrunn to Duluth (Georgia) | 4,364.70 mi (7,024.30 km) |
| Porsgrunn to Duluth (Minnesota) | 3,897.92 mi (6,273.10 km) |
