| Piqua to Sesimbra | 3,892.14 mi (6,263.79 km) |
| Piqua to Setubal | 3,899.51 mi (6,275.65 km) |
| Piqua to Sever do Vouga | 3,855.43 mi (6,204.72 km) |
| Piqua to Silves | 3,964.64 mi (6,380.48 km) |
| Piqua to Sines | 3,919.11 mi (6,307.20 km) |
| Piqua to Sintra | 3,867.04 mi (6,223.39 km) |
| Piqua to Sobrado de Paiva | 3,850.95 mi (6,197.50 km) |
| Piqua to Sobral de Monte Agraco | 3,871.47 mi (6,230.53 km) |
| Piqua to Soure | 3,863.93 mi (6,218.40 km) |
| Piqua to Tabua | 3,882.79 mi (6,248.75 km) |
| Piqua to Tavira | 4,005.12 mi (6,445.62 km) |
| Piqua to Tomar | 3,888.22 mi (6,257.48 km) |
| Piqua to Tondela | 3,875.41 mi (6,236.86 km) |
| Piqua to Torre de Moncorvo | 3,898.68 mi (6,274.31 km) |
| Piqua to Torres Novas | 3,886.86 mi (6,255.30 km) |
