| Knokke-Heist to Superior (Colorado) | 4,804.15 mi (7,731.53 km) |
| Knokke-Heist to Superior (Wisconsin) | 4,015.63 mi (6,462.54 km) |
| Knokke-Heist to Surprise (Arizona) | 5,391.67 mi (8,677.05 km) |
| Knokke-Heist to Susanville (California) | 5,254.56 mi (8,456.40 km) |
| Knokke-Heist to Sussex (Wisconsin) | 4,044.77 mi (6,509.44 km) |
| Knokke-Heist to Suwanee (Georgia) | 4,321.15 mi (6,954.21 km) |
| Knokke-Heist to Swansea (Illinois) | 4,331.65 mi (6,971.12 km) |
| Knokke-Heist to Sweetwater (Florida) | 4,582.00 mi (7,374.02 km) |
| Knokke-Heist to Sweetwater (Texas) | 5,035.30 mi (8,103.53 km) |
| Knokke-Heist to Sycamore (Illinois) | 4,115.74 mi (6,623.65 km) |
| Knokke-Heist to Sylacauga (Alabama) | 4,452.35 mi (7,165.36 km) |
| Knokke-Heist to Sylvania (Ohio) | 3,941.31 mi (6,342.92 km) |
| Knokke-Heist to Syosset (New York) | 3,578.81 mi (5,759.54 km) |
| Knokke-Heist to Syracuse (New York) | 3,587.58 mi (5,773.65 km) |
| Knokke-Heist to Syracuse (Utah) | 4,964.17 mi (7,989.05 km) |
