| Seia to Ratingen | 1,023.55 mi (1,647.25 km) |
| Seia to Ratzeburg | 1,255.93 mi (2,021.23 km) |
| Seia to Raubling | 1,102.26 mi (1,773.91 km) |
| Seia to Rauenberg | 1,006.08 mi (1,619.13 km) |
| Seia to Raunheim | 1,024.47 mi (1,648.73 km) |
| Seia to Ravensburg | 994.99 mi (1,601.29 km) |
| Seia to Recke | 1,100.61 mi (1,771.26 km) |
| Seia to Recklinghausen | 1,046.67 mi (1,684.46 km) |
| Seia to Regen | 1,175.78 mi (1,892.24 km) |
| Seia to Regensburg | 1,133.39 mi (1,824.02 km) |
| Seia to Regenstauf | 1,138.29 mi (1,831.90 km) |
| Seia to Rehau | 1,168.16 mi (1,879.98 km) |
| Seia to Rehburg-Loccum | 1,151.66 mi (1,853.41 km) |
| Seia to Rehlingen-Siersburg | 933.95 mi (1,503.04 km) |
| Seia to Reichelsheim | 1,027.54 mi (1,653.67 km) |
