| Senec to Santarem | 1,433.42 mi (2,306.87 km) |
| Senec to Santiago do Cacem | 1,482.86 mi (2,386.43 km) |
| Senec to Santo Andre | 1,483.66 mi (2,387.73 km) |
| Senec to Santo Tirso | 1,347.05 mi (2,167.87 km) |
| Senec to Sao Bras de Alportel | 1,484.34 mi (2,388.81 km) |
| Senec to Sao Felix da Marinha | 1,364.37 mi (2,195.74 km) |
| Senec to Sao Joao da Madeira | 1,363.10 mi (2,193.69 km) |
| Senec to Sao Joao de Ver | 1,363.91 mi (2,195.00 km) |
| Senec to Sao Mamede de Infesta | 1,357.62 mi (2,184.87 km) |
| Senec to Sao Pedro do Sul | 1,349.32 mi (2,171.53 km) |
| Senec to Satao | 1,334.98 mi (2,148.44 km) |
| Senec to Seia | 1,344.86 mi (2,164.35 km) |
| Senec to Senhora da Hora | 1,360.40 mi (2,189.35 km) |
| Senec to Serpa | 1,438.08 mi (2,314.36 km) |
| Senec to Serta | 1,385.72 mi (2,230.11 km) |
