| Gahanna to Rochefort | 3,973.53 mi (6,394.78 km) |
| Gahanna to Rodez | 4,176.98 mi (6,722.20 km) |
| Gahanna to Rognac | 4,321.42 mi (6,954.65 km) |
| Gahanna to Roissy-en-Brie | 4,038.37 mi (6,499.13 km) |
| Gahanna to Romainville | 4,026.67 mi (6,480.30 km) |
| Gahanna to Romans-sur-Isere | 4,259.83 mi (6,855.54 km) |
| Gahanna to Rombas | 4,162.54 mi (6,698.96 km) |
| Gahanna to Romilly-sur-Seine | 4,090.72 mi (6,583.38 km) |
| Gahanna to Ronchin | 4,000.92 mi (6,438.86 km) |
| Gahanna to Roncq | 3,997.76 mi (6,433.78 km) |
| Gahanna to Roquebrune-sur-Argens | 4,383.56 mi (7,054.65 km) |
| Gahanna to Roquevaire | 4,342.38 mi (6,988.38 km) |
| Gahanna to Rosny-sous-Bois | 4,029.17 mi (6,484.31 km) |
| Gahanna to Roubaix | 4,002.08 mi (6,440.72 km) |
| Gahanna to Rouen | 3,955.12 mi (6,365.15 km) |
