| Boulder City to Savignano sul Rubicone | 6,002.96 mi (9,660.83 km) |
| Boulder City to Savona | 5,863.15 mi (9,435.83 km) |
| Boulder City to Scafati | 6,249.91 mi (10,058.26 km) |
| Boulder City to Scalea | 6,342.36 mi (10,207.04 km) |
| Boulder City to Scandiano | 5,921.52 mi (9,529.76 km) |
| Boulder City to Scandicci | 5,981.47 mi (9,626.24 km) |
| Boulder City to Schio | 5,884.76 mi (9,470.61 km) |
| Boulder City to Sciacca | 6,374.83 mi (10,259.30 km) |
| Boulder City to Scicli | 6,469.45 mi (10,411.57 km) |
| Boulder City to Scordia | 6,447.09 mi (10,375.59 km) |
| Boulder City to Scorze | 5,915.79 mi (9,520.55 km) |
| Boulder City to Sedico | 5,886.89 mi (9,474.03 km) |
| Boulder City to Sedriano | 5,819.57 mi (9,365.69 km) |
| Boulder City to Segni | 6,150.56 mi (9,898.37 km) |
| Boulder City to Segrate | 5,829.97 mi (9,382.43 km) |
