| Gahanna to Rosolini | 5,003.67 mi (8,052.64 km) |
| Gahanna to Rossano | 4,961.23 mi (7,984.33 km) |
| Gahanna to Rottofreno | 4,448.03 mi (7,158.41 km) |
| Gahanna to Rovato | 4,447.95 mi (7,158.28 km) |
| Gahanna to Roverbella | 4,490.52 mi (7,226.80 km) |
| Gahanna to Rovereto | 4,479.21 mi (7,208.60 km) |
| Gahanna to Rovigo | 4,539.53 mi (7,305.67 km) |
| Gahanna to Rozzano | 4,419.69 mi (7,112.80 km) |
| Gahanna to Rubano | 4,525.81 mi (7,283.59 km) |
| Gahanna to Rubiera | 4,514.19 mi (7,264.88 km) |
| Gahanna to Ruffano | 5,011.58 mi (8,065.36 km) |
| Gahanna to Russi | 4,576.09 mi (7,364.51 km) |
| Gahanna to Rutigliano | 4,915.31 mi (7,910.42 km) |
| Gahanna to Ruvo di Puglia | 4,890.33 mi (7,870.23 km) |
| Gahanna to Sabaudia | 4,737.41 mi (7,624.12 km) |
