| Gahanna to Ayamonte | 3,951.11 mi (6,358.70 km) |
| Gahanna to Azcoitia | 3,998.95 mi (6,435.68 km) |
| Gahanna to Azpeitia | 4,000.90 mi (6,438.82 km) |
| Gahanna to Azuqueca de Henares | 4,038.31 mi (6,499.03 km) |
| Gahanna to Badajoz | 3,917.58 mi (6,304.74 km) |
| Gahanna to Badalona | 4,260.51 mi (6,856.63 km) |
| Gahanna to Baena | 4,085.96 mi (6,575.71 km) |
| Gahanna to Baeza | 4,114.18 mi (6,621.14 km) |
| Gahanna to Bailen | 4,096.56 mi (6,592.77 km) |
| Gahanna to Balaguer | 4,184.17 mi (6,733.77 km) |
| Gahanna to Banolas | 4,260.72 mi (6,856.97 km) |
| Gahanna to Baranain | 4,039.86 mi (6,501.53 km) |
| Gahanna to Barbadanes | 3,769.83 mi (6,066.95 km) |
| Gahanna to Barbastro | 4,145.39 mi (6,671.36 km) |
| Gahanna to Barcelona | 4,259.73 mi (6,855.37 km) |
