| Mercer Island to Rovinj | 5,499.04 mi (8,849.85 km) |
| Mercer Island to Samobor | 5,502.63 mi (8,855.62 km) |
| Mercer Island to Sesvete | 5,509.67 mi (8,866.95 km) |
| Mercer Island to Sibenik | 5,633.41 mi (9,066.09 km) |
| Mercer Island to Sinj | 5,652.33 mi (9,096.54 km) |
| Mercer Island to Sisak | 5,536.39 mi (8,909.96 km) |
| Mercer Island to Slatina | 5,551.71 mi (8,934.62 km) |
| Mercer Island to Slavonski Brod | 5,591.68 mi (8,998.93 km) |
| Mercer Island to Solin | 5,659.60 mi (9,108.25 km) |
| Mercer Island to Split | 5,659.71 mi (9,108.42 km) |
| Mercer Island to Sveti Ivan Zelina | 5,504.39 mi (8,858.46 km) |
| Mercer Island to Trilj | 5,659.34 mi (9,107.83 km) |
| Mercer Island to Trogir | 5,655.02 mi (9,100.88 km) |
| Mercer Island to Umag | 5,475.09 mi (8,811.31 km) |
| Mercer Island to Valpovo | 5,569.02 mi (8,962.47 km) |
