| Gahanna to Bitonto | 4,898.66 mi (7,883.63 km) |
| Gahanna to Bitritto | 4,907.67 mi (7,898.14 km) |
| Gahanna to Bollate | 4,412.28 mi (7,100.88 km) |
| Gahanna to Bologna | 4,543.16 mi (7,311.51 km) |
| Gahanna to Bolzano | 4,468.78 mi (7,191.80 km) |
| Gahanna to Bomporto | 4,521.39 mi (7,276.47 km) |
| Gahanna to Bonate di Sopra | 4,425.98 mi (7,122.92 km) |
| Gahanna to Bondeno | 4,531.53 mi (7,292.79 km) |
| Gahanna to Bordighera | 4,415.32 mi (7,105.77 km) |
| Gahanna to Borgaro Torinese | 4,365.69 mi (7,025.90 km) |
| Gahanna to Borgo a Buggiano | 4,540.88 mi (7,307.84 km) |
| Gahanna to Borgo San Dalmazzo | 4,387.78 mi (7,061.45 km) |
| Gahanna to Borgo San Lorenzo | 4,565.43 mi (7,347.35 km) |
| Gahanna to Borgomanero | 4,380.06 mi (7,049.03 km) |
| Gahanna to Borgoricco | 4,530.12 mi (7,290.52 km) |
