| Gahanna to Buhusi | 5,044.03 mi (8,117.58 km) |
| Gahanna to Bumbesti-Jiu | 4,990.73 mi (8,031.80 km) |
| Gahanna to Busteni | 5,060.57 mi (8,144.20 km) |
| Gahanna to Buzau | 5,119.37 mi (8,238.83 km) |
| Gahanna to Cajvana | 4,973.32 mi (8,003.78 km) |
| Gahanna to Calafat | 5,027.04 mi (8,090.24 km) |
| Gahanna to Calan | 4,952.35 mi (7,970.04 km) |
| Gahanna to Calarasi | 5,181.97 mi (8,339.57 km) |
| Gahanna to Campia Turzii | 4,949.13 mi (7,964.85 km) |
| Gahanna to Campina | 5,080.74 mi (8,176.66 km) |
| Gahanna to Campulung | 5,048.91 mi (8,125.43 km) |
| Gahanna to Campulung Moldovenesc | 4,966.20 mi (7,992.33 km) |
| Gahanna to Caracal | 5,074.38 mi (8,166.42 km) |
| Gahanna to Caransebes | 4,936.42 mi (7,944.40 km) |
| Gahanna to Carei | 4,848.18 mi (7,802.40 km) |
