| Porsgrunn to Security-Widefield (Colorado) | 4,711.06 mi (7,581.72 km) |
| Porsgrunn to Sedalia (Missouri) | 4,384.19 mi (7,055.67 km) |
| Porsgrunn to Sedro-Woolley (Washington) | 4,521.73 mi (7,277.03 km) |
| Porsgrunn to Seguin (Texas) | 5,061.00 mi (8,144.89 km) |
| Porsgrunn to Selden (New York) | 3,618.63 mi (5,823.62 km) |
| Porsgrunn to Selma (Alabama) | 4,549.58 mi (7,321.85 km) |
| Porsgrunn to Selma (California) | 5,217.70 mi (8,397.08 km) |
| Porsgrunn to Selma (Texas) | 5,071.74 mi (8,162.17 km) |
| Porsgrunn to Seminole (Florida) | 4,670.66 mi (7,516.70 km) |
| Porsgrunn to Seven Hills (Ohio) | 3,874.82 mi (6,235.93 km) |
| Porsgrunn to Seven Oaks (South Carolina) | 4,262.75 mi (6,860.23 km) |
| Porsgrunn to Severn (Maryland) | 3,833.64 mi (6,169.64 km) |
| Porsgrunn to Severna Park (Maryland) | 3,832.03 mi (6,167.06 km) |
| Porsgrunn to Sevierville (Tennessee) | 4,239.61 mi (6,823.00 km) |
| Porsgrunn to Seymour (Indiana) | 4,143.26 mi (6,667.93 km) |
