| Ithaca to Ratingen | 3,768.54 mi (6,064.88 km) |
| Ithaca to Ratzeburg | 3,842.23 mi (6,183.46 km) |
| Ithaca to Raubling | 4,090.99 mi (6,583.81 km) |
| Ithaca to Rauenberg | 3,905.22 mi (6,284.84 km) |
| Ithaca to Raunheim | 3,871.00 mi (6,229.78 km) |
| Ithaca to Ravensburg | 3,991.08 mi (6,423.02 km) |
| Ithaca to Recke | 3,769.80 mi (6,066.90 km) |
| Ithaca to Recklinghausen | 3,772.04 mi (6,070.50 km) |
| Ithaca to Regen | 4,089.84 mi (6,581.96 km) |
| Ithaca to Regensburg | 4,047.06 mi (6,513.11 km) |
| Ithaca to Regenstauf | 4,045.11 mi (6,509.97 km) |
| Ithaca to Rehau | 4,002.09 mi (6,440.75 km) |
| Ithaca to Rehburg-Loccum | 3,823.68 mi (6,153.62 km) |
| Ithaca to Rehlingen-Siersburg | 3,821.15 mi (6,149.55 km) |
| Ithaca to Reichelsheim | 3,896.07 mi (6,270.12 km) |
