| South Portland to San Vendemiano | 3,864.99 mi (6,220.10 km) |
| South Portland to San Vito al Tagliamento | 3,886.65 mi (6,254.96 km) |
| South Portland to San Vito dei Normanni | 4,286.89 mi (6,899.08 km) |
| South Portland to Sannicandro di Bari | 4,234.51 mi (6,814.79 km) |
| South Portland to Sannicandro Garganico | 4,149.33 mi (6,677.70 km) |
| South Portland to Sansepolcro | 3,938.12 mi (6,337.80 km) |
| South Portland to Sant'Agata de' Goti | 4,131.57 mi (6,649.12 km) |
| South Portland to Sant'Agata di Militello | 4,254.96 mi (6,847.70 km) |
| South Portland to Sant'Agnello | 4,144.89 mi (6,670.55 km) |
| South Portland to Sant'Ambrogio di Valpolicella | 3,814.69 mi (6,139.15 km) |
| South Portland to Sant'Anastasia | 4,135.83 mi (6,655.98 km) |
| South Portland to Sant'Angelo Lodigiano | 3,763.76 mi (6,057.19 km) |
| South Portland to Sant'Antimo | 4,125.76 mi (6,639.77 km) |
| South Portland to Sant'Antioco | 3,938.73 mi (6,338.77 km) |
| South Portland to Sant'Antonio Abate | 4,147.47 mi (6,674.70 km) |
