| Gahanna to Sesimbra | 3,829.19 mi (6,162.49 km) |
| Gahanna to Setubal | 3,836.68 mi (6,174.54 km) |
| Gahanna to Sever do Vouga | 3,794.41 mi (6,106.51 km) |
| Gahanna to Silves | 3,901.02 mi (6,278.08 km) |
| Gahanna to Sines | 3,855.89 mi (6,205.45 km) |
| Gahanna to Sintra | 3,804.26 mi (6,122.37 km) |
| Gahanna to Sobrado de Paiva | 3,790.18 mi (6,099.71 km) |
| Gahanna to Sobral de Monte Agraco | 3,808.92 mi (6,129.87 km) |
| Gahanna to Soure | 3,802.30 mi (6,119.22 km) |
| Gahanna to Tabua | 3,821.58 mi (6,150.24 km) |
| Gahanna to Tavira | 3,941.68 mi (6,343.52 km) |
| Gahanna to Tomar | 3,826.31 mi (6,157.85 km) |
| Gahanna to Tondela | 3,814.30 mi (6,138.51 km) |
| Gahanna to Torre de Moncorvo | 3,838.38 mi (6,177.27 km) |
| Gahanna to Torres Novas | 3,824.83 mi (6,155.46 km) |
