| Skien to Superior (Colorado) | 4,643.92 mi (7,473.66 km) |
| Skien to Superior (Wisconsin) | 3,892.52 mi (6,264.40 km) |
| Skien to Surprise (Arizona) | 5,215.51 mi (8,393.55 km) |
| Skien to Susanville (California) | 4,988.87 mi (8,028.81 km) |
| Skien to Sussex (Wisconsin) | 3,975.25 mi (6,397.54 km) |
| Skien to Suwanee (Georgia) | 4,351.92 mi (7,003.74 km) |
| Skien to Swansea (Illinois) | 4,285.85 mi (6,897.40 km) |
| Skien to Sweetwater (Florida) | 4,700.25 mi (7,564.32 km) |
| Skien to Sweetwater (Texas) | 4,955.13 mi (7,974.51 km) |
| Skien to Sycamore (Illinois) | 4,052.33 mi (6,521.59 km) |
| Skien to Sylacauga (Alabama) | 4,473.22 mi (7,198.94 km) |
| Skien to Sylvania (Ohio) | 3,913.81 mi (6,298.67 km) |
| Skien to Syosset (New York) | 3,629.52 mi (5,841.15 km) |
| Skien to Syracuse (New York) | 3,599.28 mi (5,792.49 km) |
| Skien to Syracuse (Utah) | 4,751.01 mi (7,646.01 km) |
