| Gahanna to San Dona di Piave | 4,550.02 mi (7,322.55 km) |
| Gahanna to San Donato Milanese | 4,423.30 mi (7,118.61 km) |
| Gahanna to San Felice Circeo | 4,742.98 mi (7,633.08 km) |
| Gahanna to San Felice sul Panaro | 4,521.86 mi (7,277.23 km) |
| Gahanna to San Ferdinando di Puglia | 4,865.40 mi (7,830.11 km) |
| Gahanna to San Gavino Monreale | 4,621.85 mi (7,438.14 km) |
| Gahanna to San Gennaro Vesuviano | 4,818.73 mi (7,755.00 km) |
| Gahanna to San Giorgio a Cremano | 4,811.62 mi (7,743.56 km) |
| Gahanna to San Giorgio del Sannio | 4,823.98 mi (7,763.44 km) |
| Gahanna to San Giorgio di Piano | 4,538.94 mi (7,304.72 km) |
| Gahanna to San Giorgio Ionico | 4,954.99 mi (7,974.29 km) |
| Gahanna to San Giovanni in Fiore | 4,976.77 mi (8,009.34 km) |
| Gahanna to San Giovanni in Marignano | 4,620.91 mi (7,436.64 km) |
| Gahanna to San Giovanni in Persiceto | 4,531.12 mi (7,292.13 km) |
| Gahanna to San Giovanni la Punta | 4,978.22 mi (8,011.68 km) |
