| Willebroek to Santa Rosa (California) | 5,473.87 mi (8,809.34 km) |
| Willebroek to Santaquin (Utah) | 5,064.49 mi (8,150.50 km) |
| Willebroek to Santee (California) | 5,632.92 mi (9,065.31 km) |
| Willebroek to Sapulpa (Oklahoma) | 4,739.38 mi (7,627.30 km) |
| Willebroek to Saraland (Alabama) | 4,693.92 mi (7,554.14 km) |
| Willebroek to Sarasota (Florida) | 4,643.86 mi (7,473.57 km) |
| Willebroek to Sarasota Springs (Florida) | 4,642.51 mi (7,471.40 km) |
| Willebroek to Saratoga (California) | 5,524.74 mi (8,891.21 km) |
| Willebroek to Saratoga Springs (New York) | 3,543.18 mi (5,702.20 km) |
| Willebroek to Saratoga Springs (Utah) | 5,047.36 mi (8,122.95 km) |
| Willebroek to Sartell (Minnesota) | 4,189.70 mi (6,742.67 km) |
| Willebroek to Satellite Beach (Florida) | 4,520.33 mi (7,274.77 km) |
| Willebroek to Sauk Rapids (Minnesota) | 4,188.40 mi (6,740.57 km) |
| Willebroek to Sault Ste. Marie (Michigan) | 3,800.00 mi (6,115.50 km) |
| Willebroek to Savage (Minnesota) | 4,201.79 mi (6,762.12 km) |
