| Willebroek to Superior (Colorado) | 4,852.30 mi (7,809.03 km) |
| Willebroek to Superior (Wisconsin) | 4,064.43 mi (6,541.06 km) |
| Willebroek to Surprise (Arizona) | 5,439.57 mi (8,754.14 km) |
| Willebroek to Susanville (California) | 5,299.25 mi (8,528.32 km) |
| Willebroek to Sussex (Wisconsin) | 4,094.53 mi (6,589.51 km) |
| Willebroek to Suwanee (Georgia) | 4,371.60 mi (7,035.40 km) |
| Willebroek to Swansea (Illinois) | 4,381.75 mi (7,051.74 km) |
| Willebroek to Sweetwater (Florida) | 4,631.77 mi (7,454.12 km) |
| Willebroek to Sweetwater (Texas) | 5,085.09 mi (8,183.67 km) |
| Willebroek to Sycamore (Illinois) | 4,165.60 mi (6,703.88 km) |
| Willebroek to Sylacauga (Alabama) | 4,502.80 mi (7,246.55 km) |
| Willebroek to Sylvania (Ohio) | 3,991.51 mi (6,423.72 km) |
| Willebroek to Syosset (New York) | 3,629.25 mi (5,840.71 km) |
| Willebroek to Syracuse (New York) | 3,637.98 mi (5,854.77 km) |
| Willebroek to Syracuse (Utah) | 5,010.78 mi (8,064.07 km) |
