| Mercer Island to Sonneberg | 5,126.01 mi (8,249.51 km) |
| Mercer Island to Sonsbeck | 4,941.42 mi (7,952.45 km) |
| Mercer Island to Sonthofen | 5,273.85 mi (8,487.44 km) |
| Mercer Island to Spaichingen | 5,203.59 mi (8,374.37 km) |
| Mercer Island to Spelle | 4,923.37 mi (7,923.39 km) |
| Mercer Island to Spenge | 4,960.27 mi (7,982.78 km) |
| Mercer Island to Speyer | 5,123.29 mi (8,245.13 km) |
| Mercer Island to Spiesen-Elversberg | 5,092.00 mi (8,194.79 km) |
| Mercer Island to Spremberg | 5,122.03 mi (8,243.12 km) |
| Mercer Island to Springe | 4,979.51 mi (8,013.75 km) |
| Mercer Island to Sprockhovel | 4,976.10 mi (8,008.26 km) |
| Mercer Island to Stade | 4,896.85 mi (7,880.71 km) |
| Mercer Island to Stadtallendorf | 5,048.45 mi (8,124.70 km) |
| Mercer Island to Stadthagen | 4,965.49 mi (7,991.18 km) |
| Mercer Island to Stadtlohn | 4,932.09 mi (7,937.44 km) |