| Boulder to Roznava | 5,473.42 mi (8,808.61 km) |
| Boulder to Ruzomberok | 5,415.60 mi (8,715.57 km) |
| Boulder to Sabinov | 5,465.28 mi (8,795.52 km) |
| Boulder to Sal'a | 5,421.96 mi (8,725.80 km) |
| Boulder to Samorin | 5,411.25 mi (8,708.56 km) |
| Boulder to Senec | 5,403.93 mi (8,696.79 km) |
| Boulder to Senica | 5,378.95 mi (8,656.58 km) |
| Boulder to Sered' | 5,410.33 mi (8,707.09 km) |
| Boulder to Skalica | 5,366.35 mi (8,636.31 km) |
| Boulder to Smizany | 5,457.46 mi (8,782.94 km) |
| Boulder to Snina | 5,501.89 mi (8,854.44 km) |
| Boulder to Spisska Nova Ves | 5,459.19 mi (8,785.71 km) |
| Boulder to Stara L'ubovna | 5,442.81 mi (8,759.35 km) |
| Boulder to Stara Tura | 5,383.84 mi (8,664.45 km) |
| Boulder to Stropkov | 5,475.95 mi (8,812.69 km) |
