| Castlebar to Santiago do Cacem | 1,095.09 mi (1,762.38 km) |
| Castlebar to Santo Andre | 1,092.73 mi (1,758.58 km) |
| Castlebar to Santo Tirso | 866.42 mi (1,394.37 km) |
| Castlebar to Sao Bras de Alportel | 1,156.58 mi (1,861.33 km) |
| Castlebar to Sao Felix da Marinha | 886.80 mi (1,427.16 km) |
| Castlebar to Sao Joao da Madeira | 896.48 mi (1,442.75 km) |
| Castlebar to Sao Joao de Ver | 892.45 mi (1,436.25 km) |
| Castlebar to Sao Mamede de Infesta | 875.37 mi (1,408.78 km) |
| Castlebar to Sao Pedro do Sul | 907.67 mi (1,460.75 km) |
| Castlebar to Satao | 909.93 mi (1,464.38 km) |
| Castlebar to Seia | 931.49 mi (1,499.10 km) |
| Castlebar to Senhora da Hora | 876.26 mi (1,410.20 km) |
| Castlebar to Serpa | 1,102.65 mi (1,774.54 km) |
| Castlebar to Serta | 973.12 mi (1,566.09 km) |
| Castlebar to Sesimbra | 1,065.26 mi (1,714.37 km) |
