| Ottaviano to Ratingen | 808.27 mi (1,300.79 km) |
| Ottaviano to Ratzeburg | 904.56 mi (1,455.74 km) |
| Ottaviano to Raubling | 493.45 mi (794.13 km) |
| Ottaviano to Rauenberg | 645.82 mi (1,039.34 km) |
| Ottaviano to Raunheim | 696.97 mi (1,121.66 km) |
| Ottaviano to Ravensburg | 535.77 mi (862.24 km) |
| Ottaviano to Recke | 857.25 mi (1,379.61 km) |
| Ottaviano to Recklinghausen | 819.05 mi (1,318.13 km) |
| Ottaviano to Regen | 564.63 mi (908.68 km) |
| Ottaviano to Regensburg | 576.21 mi (927.32 km) |
| Ottaviano to Regenstauf | 582.98 mi (938.22 km) |
| Ottaviano to Rehau | 660.20 mi (1,062.49 km) |
| Ottaviano to Rehburg-Loccum | 839.03 mi (1,350.29 km) |
| Ottaviano to Rehlingen-Siersburg | 699.90 mi (1,126.39 km) |
| Ottaviano to Reichelsheim | 670.56 mi (1,079.16 km) |
