| South Portland to Sheldon | 3,101.03 mi (4,990.63 km) |
| South Portland to Shenfield | 3,203.02 mi (5,154.76 km) |
| South Portland to Shenley Brook End | 3,149.76 mi (5,069.04 km) |
| South Portland to Shenley Church End | 3,149.51 mi (5,068.65 km) |
| South Portland to Shepperton | 3,176.84 mi (5,112.63 km) |
| South Portland to Shepshed | 3,113.30 mi (5,010.38 km) |
| South Portland to Shepton Mallet | 3,095.76 mi (4,982.14 km) |
| South Portland to Sherborne | 3,102.27 mi (4,992.61 km) |
| South Portland to Shevington | 3,042.19 mi (4,895.94 km) |
| South Portland to Shildon | 3,063.28 mi (4,929.87 km) |
| South Portland to Shipley | 3,073.20 mi (4,945.83 km) |
| South Portland to Shirebrook | 3,107.47 mi (5,000.98 km) |
| South Portland to Shiremoor | 3,061.51 mi (4,927.03 km) |
| South Portland to Shirley | 3,193.55 mi (5,139.53 km) |
| South Portland to Shoeburyness | 3,224.65 mi (5,189.57 km) |
