| Boulder City to Santa Venerina | 6,436.04 mi (10,357.81 km) |
| Boulder City to Santeramo in Colle | 6,319.60 mi (10,170.42 km) |
| Boulder City to Santo Stefano di Magra | 5,918.39 mi (9,524.73 km) |
| Boulder City to Santo Stino di Livenza | 5,925.22 mi (9,535.72 km) |
| Boulder City to Sarezzo | 5,851.07 mi (9,416.38 km) |
| Boulder City to Sarno | 6,249.50 mi (10,057.60 km) |
| Boulder City to Saronno | 5,814.63 mi (9,357.74 km) |
| Boulder City to Sarzana | 5,922.39 mi (9,531.17 km) |
| Boulder City to Sassari | 6,047.75 mi (9,732.91 km) |
| Boulder City to Sasso Marconi | 5,949.77 mi (9,575.23 km) |
| Boulder City to Sassuolo | 5,926.81 mi (9,538.29 km) |
| Boulder City to Sava | 6,366.92 mi (10,246.56 km) |
| Boulder City to Saviano | 6,240.84 mi (10,043.66 km) |
| Boulder City to Savigliano | 5,817.35 mi (9,362.12 km) |
| Boulder City to Savignano sul Panaro | 5,938.41 mi (9,556.95 km) |
