| Ithaca to Reichenbach/Vogtland | 4,000.49 mi (6,438.17 km) |
| Ithaca to Reinbek | 3,829.75 mi (6,163.39 km) |
| Ithaca to Reinfeld | 3,828.36 mi (6,161.15 km) |
| Ithaca to Reinheim | 3,892.10 mi (6,263.73 km) |
| Ithaca to Reiskirchen | 3,867.39 mi (6,223.96 km) |
| Ithaca to Rellingen | 3,809.56 mi (6,130.90 km) |
| Ithaca to Remagen | 3,805.41 mi (6,124.22 km) |
| Ithaca to Remscheid | 3,785.68 mi (6,092.46 km) |
| Ithaca to Rendsburg | 3,784.45 mi (6,090.49 km) |
| Ithaca to Renningen | 3,930.91 mi (6,326.18 km) |
| Ithaca to Reutlingen | 3,951.59 mi (6,359.47 km) |
| Ithaca to Rhaude | 3,739.82 mi (6,018.66 km) |
| Ithaca to Rheda-Wiedenbruck | 3,807.97 mi (6,128.34 km) |
| Ithaca to Rhede | 3,746.81 mi (6,029.90 km) |
| Ithaca to Rheinau | 3,894.00 mi (6,266.79 km) |
