| Boulder to San Baudilio de Llobregat | 5,201.96 mi (8,371.75 km) |
| Boulder to San Celoni | 5,203.88 mi (8,374.84 km) |
| Boulder to San Cugat del Valles | 5,197.89 mi (8,365.19 km) |
| Boulder to San Fausto de Campcentellas | 5,202.47 mi (8,372.56 km) |
| Boulder to San Feliu de Guixols | 5,220.72 mi (8,401.94 km) |
| Boulder to San Feliu de Llobregat | 5,200.35 mi (8,369.16 km) |
| Boulder to San Fernando | 5,072.85 mi (8,163.97 km) |
| Boulder to San Fernando de Henares | 5,017.78 mi (8,075.33 km) |
| Boulder to San Fructuoso de Bages | 5,177.06 mi (8,331.68 km) |
| Boulder to San Javier | 5,244.44 mi (8,440.11 km) |
| Boulder to San Juan de Alicante | 5,234.33 mi (8,423.83 km) |
| Boulder to San Juan de Aznalfarache | 5,042.70 mi (8,115.45 km) |
| Boulder to San Juan de Vilasar | 5,208.47 mi (8,382.22 km) |
| Boulder to San Juan del Puerto | 5,009.27 mi (8,061.64 km) |
| Boulder to San Juan Despi | 5,201.61 mi (8,371.18 km) |
