| Bargoed to Southern Pines (North Carolina) | 3,801.09 mi (6,117.26 km) |
| Bargoed to Southfield (Michigan) | 3,625.65 mi (5,834.92 km) |
| Bargoed to Southgate (Michigan) | 3,635.50 mi (5,850.78 km) |
| Bargoed to Southlake (Texas) | 4,626.52 mi (7,445.67 km) |
| Bargoed to Spanaway (Washington) | 4,722.21 mi (7,599.66 km) |
| Bargoed to Spanish Fork (Utah) | 4,778.02 mi (7,689.48 km) |
| Bargoed to Spanish Lake (Missouri) | 4,066.91 mi (6,545.07 km) |
| Bargoed to Spanish Springs (Nevada) | 5,060.49 mi (8,144.08 km) |
| Bargoed to Sparks (Nevada) | 5,066.62 mi (8,153.94 km) |
| Bargoed to Spartanburg (South Carolina) | 3,917.03 mi (6,303.85 km) |
| Bargoed to Spearfish (South Dakota) | 4,287.11 mi (6,899.43 km) |
| Bargoed to Speedway (Indiana) | 3,864.47 mi (6,219.26 km) |
| Bargoed to Spencer (Iowa) | 4,046.55 mi (6,512.29 km) |
| Bargoed to Spokane (Washington) | 4,550.45 mi (7,323.24 km) |
| Bargoed to Spokane Valley (Washington) | 4,544.97 mi (7,314.42 km) |
