| Mercer Island to Sucha Beskidzka | 5,338.44 mi (8,591.38 km) |
| Mercer Island to Suchanino | 5,033.26 mi (8,100.25 km) |
| Mercer Island to Sulechow | 5,116.13 mi (8,233.61 km) |
| Mercer Island to Sulecin | 5,084.03 mi (8,181.95 km) |
| Mercer Island to Sulejowek | 5,212.50 mi (8,388.70 km) |
| Mercer Island to Suwalki | 5,123.32 mi (8,245.18 km) |
| Mercer Island to Swarzedz | 5,124.80 mi (8,247.57 km) |
| Mercer Island to Swidnica | 5,208.91 mi (8,382.93 km) |
| Mercer Island to Swidnik | 5,302.06 mi (8,532.83 km) |
| Mercer Island to Swidwin | 5,015.53 mi (8,071.71 km) |
| Mercer Island to Swiebodzice | 5,204.87 mi (8,376.43 km) |
| Mercer Island to Swiecie | 5,088.26 mi (8,188.76 km) |
| Mercer Island to Swiedbodzin | 5,104.31 mi (8,214.59 km) |
| Mercer Island to Swietochlowice | 5,291.21 mi (8,515.38 km) |
| Mercer Island to Swinoujscie | 4,977.72 mi (8,010.87 km) |
