| Skien to Security-Widefield (Colorado) | 4,702.68 mi (7,568.24 km) |
| Skien to Sedalia (Missouri) | 4,376.10 mi (7,042.65 km) |
| Skien to Sedro-Woolley (Washington) | 4,513.34 mi (7,263.53 km) |
| Skien to Seguin (Texas) | 5,052.98 mi (8,131.98 km) |
| Skien to Selden (New York) | 3,611.31 mi (5,811.84 km) |
| Skien to Selma (Alabama) | 4,541.95 mi (7,309.56 km) |
| Skien to Selma (California) | 5,209.23 mi (8,383.44 km) |
| Skien to Selma (Texas) | 5,063.71 mi (8,149.25 km) |
| Skien to Seminole (Florida) | 4,663.46 mi (7,505.12 km) |
| Skien to Seven Hills (Ohio) | 3,867.06 mi (6,223.44 km) |
| Skien to Seven Oaks (South Carolina) | 4,255.35 mi (6,848.33 km) |
| Skien to Severn (Maryland) | 3,826.22 mi (6,157.71 km) |
| Skien to Severna Park (Maryland) | 3,824.63 mi (6,155.14 km) |
| Skien to Sevierville (Tennessee) | 4,232.01 mi (6,810.76 km) |
| Skien to Seymour (Indiana) | 4,135.42 mi (6,655.32 km) |
