| Mercer Island to Selargius | 5,736.08 mi (9,231.33 km) |
| Mercer Island to Selvazzano Dentro | 5,437.15 mi (8,750.25 km) |
| Mercer Island to Senago | 5,360.19 mi (8,626.39 km) |
| Mercer Island to Senigallia | 5,572.35 mi (8,967.83 km) |
| Mercer Island to Seravezza | 5,481.77 mi (8,822.05 km) |
| Mercer Island to Seregno | 5,357.92 mi (8,622.74 km) |
| Mercer Island to Seriate | 5,368.76 mi (8,640.19 km) |
| Mercer Island to Sermoneta | 5,697.77 mi (9,169.68 km) |
| Mercer Island to Serramanna | 5,719.52 mi (9,204.67 km) |
| Mercer Island to Serravalle Pistoiese | 5,502.77 mi (8,855.85 km) |
| Mercer Island to Sessa Aurunca | 5,740.42 mi (9,238.32 km) |
| Mercer Island to Sesto Calende | 5,338.77 mi (8,591.91 km) |
| Mercer Island to Sesto Fiorentino | 5,515.89 mi (8,876.96 km) |
| Mercer Island to Sesto San Giovanni | 5,365.65 mi (8,635.18 km) |
| Mercer Island to Sestri Levante | 5,444.27 mi (8,761.70 km) |
