| Portsmouth to San Vendemiano | 702.35 mi (1,130.33 km) |
| Portsmouth to San Vito al Tagliamento | 723.22 mi (1,163.91 km) |
| Portsmouth to San Vito dei Normanni | 1,140.36 mi (1,835.24 km) |
| Portsmouth to Sannicandro di Bari | 1,089.94 mi (1,754.10 km) |
| Portsmouth to Sannicandro Garganico | 1,003.99 mi (1,615.77 km) |
| Portsmouth to Sansepolcro | 795.15 mi (1,279.68 km) |
| Portsmouth to Sant'Agata de' Goti | 1,001.91 mi (1,612.42 km) |
| Portsmouth to Sant'Agata di Militello | 1,168.14 mi (1,879.94 km) |
| Portsmouth to Sant'Agnello | 1,022.09 mi (1,644.90 km) |
| Portsmouth to Sant'Ambrogio di Valpolicella | 658.53 mi (1,059.81 km) |
| Portsmouth to Sant'Anastasia | 1,009.86 mi (1,625.21 km) |
| Portsmouth to Sant'Angelo Lodigiano | 618.08 mi (994.70 km) |
| Portsmouth to Sant'Antimo | 1,000.21 mi (1,609.69 km) |
| Portsmouth to Sant'Antioco | 934.03 mi (1,503.17 km) |
| Portsmouth to Sant'Antonio Abate | 1,021.96 mi (1,644.69 km) |
