| Gahanna to Sereflikochisar | 5,664.83 mi (9,116.66 km) |
| Gahanna to Serik | 5,671.82 mi (9,127.91 km) |
| Gahanna to Serinhisar | 5,567.90 mi (8,960.66 km) |
| Gahanna to Serinyol | 5,894.22 mi (9,485.83 km) |
| Gahanna to Seydisehir | 5,676.33 mi (9,135.16 km) |
| Gahanna to Seyhan | 5,830.36 mi (9,383.06 km) |
| Gahanna to Seyitgazi | 5,533.03 mi (8,904.56 km) |
| Gahanna to Siirt | 6,018.54 mi (9,685.91 km) |
| Gahanna to Sile | 5,408.88 mi (8,704.74 km) |
| Gahanna to Silifke | 5,808.02 mi (9,347.11 km) |
| Gahanna to Silivri | 5,362.10 mi (8,629.47 km) |
| Gahanna to Silopi | 6,072.95 mi (9,773.47 km) |
| Gahanna to Simav | 5,484.77 mi (8,826.88 km) |
| Gahanna to Sinanpasa | 5,549.72 mi (8,931.42 km) |
| Gahanna to Sindirgi | 5,445.89 mi (8,764.31 km) |
