| Gahanna to Radauti | 4,965.36 mi (7,990.98 km) |
| Gahanna to Ramnicu Sarat | 5,117.70 mi (8,236.14 km) |
| Gahanna to Ramnicu Valcea | 5,031.24 mi (8,097.00 km) |
| Gahanna to Rasnov | 5,049.58 mi (8,126.51 km) |
| Gahanna to Reghin | 4,969.37 mi (7,997.43 km) |
| Gahanna to Resita | 4,929.01 mi (7,932.48 km) |
| Gahanna to Roman | 5,042.32 mi (8,114.83 km) |
| Gahanna to Rosiori de Vede | 5,098.86 mi (8,205.82 km) |
| Gahanna to Rovinari | 4,994.14 mi (8,037.29 km) |
| Gahanna to Roznov | 5,031.69 mi (8,097.72 km) |
| Gahanna to Sabaoani | 5,035.54 mi (8,103.92 km) |
| Gahanna to Sacele | 5,057.53 mi (8,139.30 km) |
| Gahanna to Sacueni | 4,848.58 mi (7,803.03 km) |
| Gahanna to Salcea | 4,989.93 mi (8,030.52 km) |
| Gahanna to Salonta | 4,855.78 mi (7,814.63 km) |
