| Houston to Sabadell | 5,239.58 mi (8,432.28 km) |
| Houston to Sabinanigo | 5,096.14 mi (8,201.45 km) |
| Houston to Sagunto | 5,186.99 mi (8,347.65 km) |
| Houston to Salamanca | 4,891.96 mi (7,872.85 km) |
| Houston to Salobrena | 5,114.13 mi (8,230.40 km) |
| Houston to Salou | 5,209.35 mi (8,383.64 km) |
| Houston to Salt | 5,256.97 mi (8,460.28 km) |
| Houston to Salvatierra de Mino | 4,726.95 mi (7,607.29 km) |
| Houston to Sama | 4,828.45 mi (7,770.64 km) |
| Houston to San Adrian de Besos | 5,248.42 mi (8,446.52 km) |
| Houston to San Agustin de Guadalix | 4,997.98 mi (8,043.47 km) |
| Houston to San Andres de la Barca | 5,236.78 mi (8,427.78 km) |
| Houston to San Andres de Llevaneras | 5,255.98 mi (8,458.68 km) |
| Houston to San Andres del Rabanedo | 4,850.47 mi (7,806.07 km) |
| Houston to San Bartolome | 4,725.54 mi (7,605.02 km) |
