| Gahanna to Beocin | 4,850.67 mi (7,806.39 km) |
| Gahanna to Blace | 4,992.49 mi (8,034.64 km) |
| Gahanna to Bogatic | 4,856.35 mi (7,815.55 km) |
| Gahanna to Bojnik | 5,021.48 mi (8,081.29 km) |
| Gahanna to Boljevac | 4,995.32 mi (8,039.20 km) |
| Gahanna to Bor | 4,987.90 mi (8,027.24 km) |
| Gahanna to Borca | 4,892.30 mi (7,873.40 km) |
| Gahanna to Bosilegrad | 5,073.59 mi (8,165.16 km) |
| Gahanna to Brus | 4,978.62 mi (8,012.32 km) |
| Gahanna to Bujanovac | 5,047.28 mi (8,122.82 km) |
| Gahanna to Cacak | 4,930.03 mi (7,934.12 km) |
| Gahanna to Cajetina | 4,911.16 mi (7,903.76 km) |
| Gahanna to Cicevac | 4,980.52 mi (8,015.36 km) |
| Gahanna to Coka | 4,835.88 mi (7,782.60 km) |
| Gahanna to Crna Trava | 5,053.17 mi (8,132.29 km) |
