| Houston to San Vendemiano | 5,531.06 mi (8,901.38 km) |
| Houston to San Vito al Tagliamento | 5,551.99 mi (8,935.07 km) |
| Houston to San Vito dei Normanni | 5,959.27 mi (9,590.52 km) |
| Houston to Sannicandro di Bari | 5,907.16 mi (9,506.65 km) |
| Houston to Sannicandro Garganico | 5,821.64 mi (9,369.02 km) |
| Houston to Sansepolcro | 5,610.26 mi (9,028.84 km) |
| Houston to Sant'Agata de' Goti | 5,805.97 mi (9,343.80 km) |
| Houston to Sant'Agata di Militello | 5,931.67 mi (9,546.10 km) |
| Houston to Sant'Agnello | 5,819.93 mi (9,366.27 km) |
| Houston to Sant'Ambrogio di Valpolicella | 5,483.63 mi (8,825.06 km) |
| Houston to Sant'Anastasia | 5,810.58 mi (9,351.23 km) |
| Houston to Sant'Angelo Lodigiano | 5,434.86 mi (8,746.57 km) |
| Houston to Sant'Antimo | 5,800.52 mi (9,335.04 km) |
| Houston to Sant'Antioco | 5,614.95 mi (9,036.38 km) |
| Houston to Sant'Antonio Abate | 5,822.29 mi (9,370.07 km) |
