| Boppard to Santa Rosa (California) | 5,606.75 mi (9,023.20 km) |
| Boppard to Santaquin (Utah) | 5,204.92 mi (8,376.52 km) |
| Boppard to Santee (California) | 5,773.90 mi (9,292.19 km) |
| Boppard to Sapulpa (Oklahoma) | 4,889.51 mi (7,868.90 km) |
| Boppard to Saraland (Alabama) | 4,846.45 mi (7,799.61 km) |
| Boppard to Sarasota (Florida) | 4,795.82 mi (7,718.12 km) |
| Boppard to Sarasota Springs (Florida) | 4,794.45 mi (7,715.93 km) |
| Boppard to Saratoga (California) | 5,659.00 mi (9,107.28 km) |
| Boppard to Saratoga Springs (New York) | 3,695.59 mi (5,947.48 km) |
| Boppard to Saratoga Springs (Utah) | 5,187.48 mi (8,348.45 km) |
| Boppard to Sartell (Minnesota) | 4,336.10 mi (6,978.28 km) |
| Boppard to Satellite Beach (Florida) | 4,672.10 mi (7,519.02 km) |
| Boppard to Sauk Rapids (Minnesota) | 4,334.84 mi (6,976.25 km) |
| Boppard to Sault Ste. Marie (Michigan) | 3,949.40 mi (6,355.94 km) |
| Boppard to Savage (Minnesota) | 4,349.04 mi (6,999.11 km) |
