| Mercer Island to Sudbury | 4,776.92 mi (7,687.71 km) |
| Mercer Island to Sunbury | 4,780.75 mi (7,693.87 km) |
| Mercer Island to Sunderland | 4,567.87 mi (7,351.28 km) |
| Mercer Island to Sunninghill | 4,775.75 mi (7,685.83 km) |
| Mercer Island to Surbiton | 4,785.42 mi (7,701.39 km) |
| Mercer Island to Sutton | 4,789.89 mi (7,708.59 km) |
| Mercer Island to Sutton Coldfield | 4,682.08 mi (7,535.08 km) |
| Mercer Island to Sutton in Ashfield | 4,666.53 mi (7,510.05 km) |
| Mercer Island to Sutton on Hull | 4,655.62 mi (7,492.50 km) |
| Mercer Island to Swadlincote | 4,677.70 mi (7,528.04 km) |
| Mercer Island to Swallownest | 4,652.09 mi (7,486.81 km) |
| Mercer Island to Swanage | 4,783.72 mi (7,698.65 km) |
| Mercer Island to Swindon | 4,737.20 mi (7,623.78 km) |
| Mercer Island to Swinton | 4,645.61 mi (7,476.38 km) |
| Mercer Island to Swinton | 4,617.64 mi (7,431.37 km) |
