| South Portland to Saint Ives | 3,171.31 mi (5,103.73 km) |
| South Portland to Saint Ives | 2,994.11 mi (4,818.55 km) |
| South Portland to Saint Neots | 3,165.87 mi (5,094.97 km) |
| South Portland to Sale | 3,059.54 mi (4,923.85 km) |
| South Portland to Salford | 3,059.55 mi (4,923.88 km) |
| South Portland to Salisbury | 3,129.55 mi (5,036.52 km) |
| South Portland to Saltash | 3,043.31 mi (4,897.74 km) |
| South Portland to Saltcoats | 2,926.34 mi (4,709.49 km) |
| South Portland to Sandbach | 3,063.11 mi (4,929.59 km) |
| South Portland to Sanderstead | 3,193.48 mi (5,139.40 km) |
| South Portland to Sandhurst | 3,163.90 mi (5,091.80 km) |
| South Portland to Sandiacre | 3,110.35 mi (5,005.63 km) |
| South Portland to Sandown | 3,165.11 mi (5,093.75 km) |
| South Portland to Sandridge | 3,174.39 mi (5,108.69 km) |
| South Portland to Sandy | 3,166.91 mi (5,096.65 km) |
