| Gahanna to Ames | 3,719.02 mi (5,985.19 km) |
| Gahanna to Amorebieta | 3,978.65 mi (6,403.03 km) |
| Gahanna to Amposta | 4,210.49 mi (6,776.12 km) |
| Gahanna to Amurrio | 3,971.77 mi (6,391.94 km) |
| Gahanna to Andoain | 4,010.97 mi (6,455.03 km) |
| Gahanna to Andraitx | 4,333.94 mi (6,974.80 km) |
| Gahanna to Andujar | 4,084.52 mi (6,573.40 km) |
| Gahanna to Antequera | 4,094.43 mi (6,589.35 km) |
| Gahanna to Antigua | 3,917.56 mi (6,304.71 km) |
| Gahanna to Aranda de Duero | 3,983.46 mi (6,410.76 km) |
| Gahanna to Aranjuez | 4,039.95 mi (6,501.67 km) |
| Gahanna to Archena | 4,212.27 mi (6,779.00 km) |
| Gahanna to Arcos de la Frontera | 4,043.55 mi (6,507.47 km) |
| Gahanna to Arenys de Mar | 4,269.60 mi (6,871.26 km) |
| Gahanna to Arenys de Munt | 4,268.08 mi (6,868.82 km) |
