| Ionia to Reichenbach/Vogtland | 4,293.36 mi (6,909.49 km) |
| Ionia to Reinbek | 4,110.26 mi (6,614.83 km) |
| Ionia to Reinfeld | 4,106.43 mi (6,608.66 km) |
| Ionia to Reinheim | 4,196.78 mi (6,754.06 km) |
| Ionia to Reiskirchen | 4,167.75 mi (6,707.35 km) |
| Ionia to Rellingen | 4,090.08 mi (6,582.35 km) |
| Ionia to Remagen | 4,109.18 mi (6,613.09 km) |
| Ionia to Remscheid | 4,086.05 mi (6,575.86 km) |
| Ionia to Rendsburg | 4,061.29 mi (6,536.01 km) |
| Ionia to Renningen | 4,241.12 mi (6,825.42 km) |
| Ionia to Reutlingen | 4,262.70 mi (6,860.16 km) |
| Ionia to Rhaude | 4,027.74 mi (6,482.02 km) |
| Ionia to Rheda-Wiedenbruck | 4,102.31 mi (6,602.03 km) |
| Ionia to Rhede | 4,044.37 mi (6,508.78 km) |
| Ionia to Rheinau | 4,206.85 mi (6,770.28 km) |
