| Gahanna to San Giovanni Lupatoto | 4,497.10 mi (7,237.39 km) |
| Gahanna to San Giovanni Rotondo | 4,835.11 mi (7,781.35 km) |
| Gahanna to San Giovanni Valdarno | 4,586.34 mi (7,381.00 km) |
| Gahanna to San Giuliano Milanese | 4,424.59 mi (7,120.69 km) |
| Gahanna to San Giuliano Terme | 4,533.21 mi (7,295.50 km) |
| Gahanna to San Giuseppe Iato | 4,878.43 mi (7,851.08 km) |
| Gahanna to San Giuseppe Vesuviano | 4,818.68 mi (7,754.91 km) |
| Gahanna to San Giustino | 4,613.98 mi (7,425.49 km) |
| Gahanna to San Gregorio di Catania | 4,979.65 mi (8,013.96 km) |
| Gahanna to San Lazzaro di Savena | 4,546.57 mi (7,316.99 km) |
| Gahanna to San Marco in Lamis | 4,830.54 mi (7,774.00 km) |
| Gahanna to San Martino Buon Albergo | 4,498.58 mi (7,239.77 km) |
| Gahanna to San Martino di Lupari | 4,520.54 mi (7,275.10 km) |
| Gahanna to San Marzano di San Giuseppe | 4,960.55 mi (7,983.24 km) |
| Gahanna to San Marzano sul Sarno | 4,825.27 mi (7,765.52 km) |
