| Onda to Sesimbra | 484.35 mi (779.48 km) |
| Onda to Setubal | 472.09 mi (759.76 km) |
| Onda to Sever do Vouga | 429.83 mi (691.74 km) |
| Onda to Silves | 481.18 mi (774.39 km) |
| Onda to Sines | 482.22 mi (776.06 km) |
| Onda to Sintra | 493.65 mi (794.45 km) |
| Onda to Sobrado de Paiva | 426.77 mi (686.82 km) |
| Onda to Sobral de Monte Agraco | 478.19 mi (769.58 km) |
| Onda to Soure | 442.82 mi (712.65 km) |
| Onda to Tabua | 410.82 mi (661.15 km) |
| Onda to Tavira | 444.77 mi (715.78 km) |
| Onda to Tomar | 433.47 mi (697.60 km) |
| Onda to Tondela | 414.05 mi (666.35 km) |
| Onda to Torre de Moncorvo | 370.36 mi (596.04 km) |
| Onda to Torres Novas | 440.68 mi (709.21 km) |
