| Opelika to Sesimbra | 4,182.27 mi (6,730.71 km) |
| Opelika to Setubal | 4,190.87 mi (6,744.56 km) |
| Opelika to Sever do Vouga | 4,165.91 mi (6,704.39 km) |
| Opelika to Silves | 4,246.50 mi (6,834.08 km) |
| Opelika to Sines | 4,205.94 mi (6,768.80 km) |
| Opelika to Sintra | 4,159.26 mi (6,693.68 km) |
| Opelika to Sobrado de Paiva | 4,164.05 mi (6,701.40 km) |
| Opelika to Sobral de Monte Agraco | 4,166.12 mi (6,704.72 km) |
| Opelika to Soure | 4,168.28 mi (6,708.19 km) |
| Opelika to Tabua | 4,191.18 mi (6,745.05 km) |
| Opelika to Tavira | 4,288.76 mi (6,902.09 km) |
| Opelika to Tomar | 4,189.53 mi (6,742.40 km) |
| Opelika to Tondela | 4,184.89 mi (6,734.92 km) |
| Opelika to Torre de Moncorvo | 4,215.91 mi (6,784.86 km) |
| Opelika to Torres Novas | 4,186.80 mi (6,738.00 km) |
