| Ionia to Rheinbach | 4,096.73 mi (6,593.06 km) |
| Ionia to Rheinberg | 4,050.90 mi (6,519.30 km) |
| Ionia to Rheine | 4,054.97 mi (6,525.85 km) |
| Ionia to Rheinfelden (Baden) | 4,243.52 mi (6,829.29 km) |
| Ionia to Ribnitz-Damgarten | 4,158.51 mi (6,692.48 km) |
| Ionia to Richterich | 4,057.29 mi (6,529.58 km) |
| Ionia to Riedlingen | 4,285.17 mi (6,896.32 km) |
| Ionia to Riegelsberg | 4,145.39 mi (6,671.37 km) |
| Ionia to Rielasingen-Worblingen | 4,277.32 mi (6,883.68 km) |
| Ionia to Riesa | 4,301.40 mi (6,922.44 km) |
| Ionia to Rietberg | 4,108.67 mi (6,612.26 km) |
| Ionia to Rinteln | 4,117.67 mi (6,626.75 km) |
| Ionia to Ritterhude | 4,069.85 mi (6,549.80 km) |
| Ionia to Rodenbach | 4,192.08 mi (6,746.50 km) |
| Ionia to Rodental | 4,261.74 mi (6,858.61 km) |
