| Gahanna to Rende | 4,951.89 mi (7,969.30 km) |
| Gahanna to Resana | 4,525.05 mi (7,282.37 km) |
| Gahanna to Rescaldina | 4,403.00 mi (7,085.95 km) |
| Gahanna to Rezzato | 4,462.93 mi (7,182.39 km) |
| Gahanna to Rho | 4,409.44 mi (7,096.32 km) |
| Gahanna to Ribera | 4,901.13 mi (7,887.60 km) |
| Gahanna to Riccione Marina | 4,615.94 mi (7,428.64 km) |
| Gahanna to Riesi | 4,946.10 mi (7,959.99 km) |
| Gahanna to Rieti | 4,686.68 mi (7,542.49 km) |
| Gahanna to Rignano Flaminio | 4,678.99 mi (7,530.10 km) |
| Gahanna to Rignano sull'Arno | 4,576.84 mi (7,365.72 km) |
| Gahanna to Rimini | 4,610.28 mi (7,419.53 km) |
| Gahanna to Rionero in Vulture | 4,864.44 mi (7,828.57 km) |
| Gahanna to Riposto | 4,976.33 mi (8,008.62 km) |
| Gahanna to Riva del Garda | 4,471.09 mi (7,195.52 km) |
