| Gahanna to Sestu | 4,644.79 mi (7,475.06 km) |
| Gahanna to Settimo Torinese | 4,371.16 mi (7,034.71 km) |
| Gahanna to Seveso | 4,409.76 mi (7,096.83 km) |
| Gahanna to Sezze | 4,731.24 mi (7,614.19 km) |
| Gahanna to Siano | 4,828.15 mi (7,770.16 km) |
| Gahanna to Siena | 4,587.32 mi (7,382.58 km) |
| Gahanna to Signa | 4,559.96 mi (7,338.55 km) |
| Gahanna to Silea | 4,538.27 mi (7,303.65 km) |
| Gahanna to Silvi Paese | 4,733.56 mi (7,617.94 km) |
| Gahanna to Sinalunga | 4,608.04 mi (7,415.92 km) |
| Gahanna to Siniscola | 4,622.38 mi (7,438.99 km) |
| Gahanna to Sinnai | 4,649.60 mi (7,482.81 km) |
| Gahanna to Siracusa | 5,007.92 mi (8,059.47 km) |
| Gahanna to Solaro | 4,408.58 mi (7,094.93 km) |
| Gahanna to Soliera | 4,516.72 mi (7,268.96 km) |
