| Mercer Island to Sant Joan de Vilatorrada | 5,382.33 mi (8,662.02 km) |
| Mercer Island to Sant Just Desvern | 5,410.83 mi (8,707.89 km) |
| Mercer Island to Sant Sadurni d'Anoia | 5,399.83 mi (8,690.19 km) |
| Mercer Island to Santa Coloma de Farnes | 5,400.87 mi (8,691.86 km) |
| Mercer Island to Santa Comba | 4,980.14 mi (8,014.76 km) |
| Mercer Island to Santa Cruz | 5,467.78 mi (8,799.54 km) |
| Mercer Island to Santa Cruz de Bezana | 5,115.31 mi (8,232.29 km) |
| Mercer Island to Santa Cruz de la Palma | 5,395.58 mi (8,683.35 km) |
| Mercer Island to Santa Eulalia del Rio | 5,530.82 mi (8,900.99 km) |
| Mercer Island to Santa Margarita | 5,537.15 mi (8,911.18 km) |
| Mercer Island to Santa Margarita de Mombuy | 5,386.16 mi (8,668.18 km) |
| Mercer Island to Santa Maria de Cayon | 5,124.09 mi (8,246.43 km) |
| Mercer Island to Santa Maria de Palautordera | 5,403.98 mi (8,696.87 km) |
| Mercer Island to Santa Marta de Tormes | 5,195.46 mi (8,361.29 km) |
| Mercer Island to Santa Perpetua de Moguda | 5,405.22 mi (8,698.86 km) |
