| Porsgrunn to Columbia (Illinois) | 4,306.18 mi (6,930.12 km) |
| Porsgrunn to Columbia (Maryland) | 3,835.57 mi (6,172.75 km) |
| Porsgrunn to Columbia (Missouri) | 4,342.97 mi (6,989.33 km) |
| Porsgrunn to Columbia (Pennsylvania) | 3,778.43 mi (6,080.80 km) |
| Porsgrunn to Columbia (South Carolina) | 4,255.28 mi (6,848.22 km) |
| Porsgrunn to Columbia (Tennessee) | 4,367.18 mi (7,028.30 km) |
| Porsgrunn to Columbia Heights (Minnesota) | 4,025.50 mi (6,478.42 km) |
| Porsgrunn to Columbine (Colorado) | 4,670.57 mi (7,516.55 km) |
| Porsgrunn to Columbus (Georgia) | 4,473.56 mi (7,199.51 km) |
| Porsgrunn to Columbus (Indiana) | 4,129.53 mi (6,645.84 km) |
| Porsgrunn to Columbus (Mississippi) | 4,531.52 mi (7,292.78 km) |
| Porsgrunn to Columbus (Nebraska) | 4,348.33 mi (6,997.96 km) |
| Porsgrunn to Columbus (Ohio) | 3,993.07 mi (6,426.22 km) |
| Porsgrunn to Commack (New York) | 3,628.05 mi (5,838.78 km) |
| Porsgrunn to Commerce (California) | 5,345.73 mi (8,603.13 km) |
