| South Portland to Southwater | 3,189.60 mi (5,133.16 km) |
| South Portland to Southwick | 3,067.40 mi (4,936.50 km) |
| South Portland to Southwick | 3,198.62 mi (5,147.67 km) |
| South Portland to Sowerby Bridge | 3,070.32 mi (4,941.21 km) |
| South Portland to Spalding | 3,158.48 mi (5,083.08 km) |
| South Portland to Spennymoor | 3,064.31 mi (4,931.54 km) |
| South Portland to Spitalfields | 3,189.62 mi (5,133.20 km) |
| South Portland to Spondon | 3,106.04 mi (4,998.68 km) |
| South Portland to Stafford | 3,079.75 mi (4,956.37 km) |
| South Portland to Staines-upon-Thames | 3,173.77 mi (5,107.68 km) |
| South Portland to Stalybridge | 3,069.54 mi (4,939.95 km) |
| South Portland to Stamford | 3,148.07 mi (5,066.33 km) |
| South Portland to Standish | 3,042.96 mi (4,897.17 km) |
| South Portland to Stanford le Hope | 3,209.94 mi (5,165.89 km) |
| South Portland to Stanley | 3,087.28 mi (4,968.50 km) |
