| Gahanna to Blansko | 4,564.80 mi (7,346.33 km) |
| Gahanna to Bohumin | 4,606.59 mi (7,413.60 km) |
| Gahanna to Boskovice | 4,560.59 mi (7,339.56 km) |
| Gahanna to Brandys nad Labem-Stara Boleslav | 4,459.78 mi (7,177.32 km) |
| Gahanna to Breclav | 4,597.33 mi (7,398.69 km) |
| Gahanna to Brevnov | 4,452.21 mi (7,165.14 km) |
| Gahanna to Brno | 4,570.15 mi (7,354.94 km) |
| Gahanna to Bruntal | 4,570.69 mi (7,355.82 km) |
| Gahanna to Bystrc | 4,565.74 mi (7,347.86 km) |
| Gahanna to Caslav | 4,497.30 mi (7,237.71 km) |
| Gahanna to Celakovice | 4,463.93 mi (7,184.01 km) |
| Gahanna to Ceska Lipa | 4,436.41 mi (7,139.71 km) |
| Gahanna to Ceska Trebova | 4,536.66 mi (7,301.05 km) |
| Gahanna to Ceske Budejovice | 4,498.21 mi (7,239.16 km) |
| Gahanna to Cesky Krumlov | 4,498.32 mi (7,239.34 km) |
