| Mercer Island to San Baudilio de Llobregat | 5,411.98 mi (8,709.74 km) |
| Mercer Island to San Celoni | 5,405.60 mi (8,699.47 km) |
| Mercer Island to San Cugat del Valles | 5,406.01 mi (8,700.13 km) |
| Mercer Island to San Fausto de Campcentellas | 5,408.71 mi (8,704.48 km) |
| Mercer Island to San Feliu de Guixols | 5,416.14 mi (8,716.44 km) |
| Mercer Island to San Feliu de Llobregat | 5,409.92 mi (8,706.42 km) |
| Mercer Island to San Fernando | 5,419.16 mi (8,721.29 km) |
| Mercer Island to San Fernando de Henares | 5,291.68 mi (8,516.13 km) |
| Mercer Island to San Fructuoso de Bages | 5,384.02 mi (8,664.74 km) |
| Mercer Island to San Javier | 5,523.42 mi (8,889.09 km) |
| Mercer Island to San Juan de Alicante | 5,502.52 mi (8,855.45 km) |
| Mercer Island to San Juan de Aznalfarache | 5,376.59 mi (8,652.78 km) |
| Mercer Island to San Juan de Vilasar | 5,413.25 mi (8,711.78 km) |
| Mercer Island to San Juan del Puerto | 5,351.40 mi (8,612.24 km) |
| Mercer Island to San Juan Despi | 5,411.24 mi (8,708.55 km) |
