| Gahanna to Cassina de' Pecchi | 4,423.80 mi (7,119.41 km) |
| Gahanna to Cassino | 4,763.64 mi (7,666.34 km) |
| Gahanna to Castagneto Carducci | 4,562.35 mi (7,342.39 km) |
| Gahanna to Castano Primo | 4,397.83 mi (7,077.63 km) |
| Gahanna to Castel Bolognese | 4,568.75 mi (7,352.69 km) |
| Gahanna to Castel Gandolfo | 4,703.91 mi (7,570.21 km) |
| Gahanna to Castel Goffredo | 4,477.39 mi (7,205.66 km) |
| Gahanna to Castel Maggiore | 4,541.40 mi (7,308.68 km) |
| Gahanna to Castel Mella | 4,456.61 mi (7,172.23 km) |
| Gahanna to Castel San Giorgio | 4,829.17 mi (7,771.80 km) |
| Gahanna to Castel San Giovanni | 4,443.53 mi (7,151.17 km) |
| Gahanna to Castel San Pietro Terme | 4,556.64 mi (7,333.21 km) |
| Gahanna to Castel Volturno | 4,785.23 mi (7,701.08 km) |
| Gahanna to Castelbuono | 4,920.01 mi (7,918.00 km) |
| Gahanna to Casteldaccia | 4,890.40 mi (7,870.34 km) |
