| Gahanna to Devnya | 5,236.15 mi (8,426.77 km) |
| Gahanna to Dimitrovgrad | 5,215.38 mi (8,393.34 km) |
| Gahanna to Dobrich | 5,229.78 mi (8,416.52 km) |
| Gahanna to Dospat | 5,177.88 mi (8,333.00 km) |
| Gahanna to Dupnitsa | 5,109.33 mi (8,222.67 km) |
| Gahanna to Elhovo | 5,247.06 mi (8,444.32 km) |
| Gahanna to Etropole | 5,118.28 mi (8,237.07 km) |
| Gahanna to Gabrovo | 5,167.97 mi (8,317.04 km) |
| Gahanna to Gorna Oryahovitsa | 5,169.80 mi (8,319.99 km) |
| Gahanna to Gotse Delchev | 5,164.62 mi (8,311.66 km) |
| Gahanna to Harmanli | 5,232.26 mi (8,420.52 km) |
| Gahanna to Haskovo | 5,219.43 mi (8,399.86 km) |
| Gahanna to Ihtiman | 5,128.87 mi (8,254.13 km) |
| Gahanna to Isperih | 5,185.71 mi (8,345.59 km) |
| Gahanna to Kardzhali | 5,224.63 mi (8,408.23 km) |
