| Porsgrunn to Dardenne Prairie (Missouri) | 4,305.15 mi (6,928.47 km) |
| Porsgrunn to Darien (Illinois) | 4,052.89 mi (6,522.50 km) |
| Porsgrunn to Davenport (Iowa) | 4,143.24 mi (6,667.89 km) |
| Porsgrunn to Davidson (North Carolina) | 4,171.76 mi (6,713.80 km) |
| Porsgrunn to Davie (Florida) | 4,686.85 mi (7,542.75 km) |
| Porsgrunn to Davis (California) | 5,139.44 mi (8,271.12 km) |
| Porsgrunn to Dayton (Nevada) | 5,047.45 mi (8,123.08 km) |
| Porsgrunn to Dayton (Ohio) | 4,043.25 mi (6,506.99 km) |
| Porsgrunn to Daytona Beach (Florida) | 4,535.77 mi (7,299.62 km) |
| Porsgrunn to De Pere (Wisconsin) | 3,907.70 mi (6,288.83 km) |
| Porsgrunn to De Witt (New York) | 3,605.42 mi (5,802.36 km) |
| Porsgrunn to Dearborn (Michigan) | 3,873.17 mi (6,233.26 km) |
| Porsgrunn to Dearborn Heights (Michigan) | 3,874.98 mi (6,236.18 km) |
| Porsgrunn to DeBary (Florida) | 4,561.61 mi (7,341.20 km) |
| Porsgrunn to Decatur (Alabama) | 4,425.02 mi (7,121.38 km) |
