| Radolfzell am Bodensee to Racconigi | 213.94 mi (344.30 km) |
| Radolfzell am Bodensee to Raffadali | 750.17 mi (1,207.28 km) |
| Radolfzell am Bodensee to Ragusa | 802.14 mi (1,290.92 km) |
| Radolfzell am Bodensee to Ramacca | 771.80 mi (1,242.10 km) |
| Radolfzell am Bodensee to Randazzo | 744.52 mi (1,198.19 km) |
| Radolfzell am Bodensee to Rapallo | 234.11 mi (376.77 km) |
| Radolfzell am Bodensee to Ravanusa | 766.27 mi (1,233.19 km) |
| Radolfzell am Bodensee to Ravenna | 276.66 mi (445.25 km) |
| Radolfzell am Bodensee to Recanati | 372.40 mi (599.32 km) |
| Radolfzell am Bodensee to Recco | 232.78 mi (374.62 km) |
| Radolfzell am Bodensee to Reggello | 305.96 mi (492.39 km) |
| Radolfzell am Bodensee to Reggio di Calabria | 744.99 mi (1,198.94 km) |
| Radolfzell am Bodensee to Reggio Emilia | 224.20 mi (360.82 km) |
| Radolfzell am Bodensee to Reggiolo | 213.67 mi (343.88 km) |
| Radolfzell am Bodensee to Rende | 683.06 mi (1,099.27 km) |
