| Boulder to Slatina | 5,815.84 mi (9,359.69 km) |
| Boulder to Slobozia | 5,893.98 mi (9,485.45 km) |
| Boulder to Sovata | 5,715.37 mi (9,198.01 km) |
| Boulder to Strehaia | 5,770.79 mi (9,287.19 km) |
| Boulder to Suceava | 5,688.57 mi (9,154.87 km) |
| Boulder to Targoviste | 5,819.78 mi (9,366.04 km) |
| Boulder to Targu Frumos | 5,733.90 mi (9,227.82 km) |
| Boulder to Targu Jiu | 5,750.38 mi (9,254.34 km) |
| Boulder to Targu Lapus | 5,633.88 mi (9,066.85 km) |
| Boulder to Targu Neamt | 5,716.67 mi (9,200.09 km) |
| Boulder to Targu Ocna | 5,775.92 mi (9,295.44 km) |
| Boulder to Targu Secuiesc | 5,778.69 mi (9,299.90 km) |
| Boulder to Targu-Mures | 5,703.82 mi (9,179.41 km) |
| Boulder to Tarnaveni | 5,707.54 mi (9,185.40 km) |
| Boulder to Tasnad | 5,596.28 mi (9,006.34 km) |
