| Key West to Sudbury | 4,586.12 mi (7,380.65 km) |
| Key West to Sunbury | 4,544.91 mi (7,314.32 km) |
| Key West to Sunderland | 4,470.27 mi (7,194.21 km) |
| Key West to Sunninghill | 4,535.32 mi (7,298.90 km) |
| Key West to Surbiton | 4,550.21 mi (7,322.86 km) |
| Key West to Sutton | 4,555.25 mi (7,330.97 km) |
| Key West to Sutton Coldfield | 4,474.03 mi (7,200.26 km) |
| Key West to Sutton in Ashfield | 4,491.71 mi (7,228.72 km) |
| Key West to Sutton on Hull | 4,523.99 mi (7,280.66 km) |
| Key West to Swadlincote | 4,482.97 mi (7,214.65 km) |
| Key West to Swallownest | 4,486.77 mi (7,220.76 km) |
| Key West to Swanage | 4,488.05 mi (7,222.81 km) |
| Key West to Swindon | 4,485.81 mi (7,219.21 km) |
| Key West to Swinton | 4,485.97 mi (7,219.48 km) |
| Key West to Swinton | 4,443.94 mi (7,151.83 km) |
