| Radolfzell am Bodensee to Oststeinbek | 404.91 mi (651.63 km) |
| Radolfzell am Bodensee to Ottendorf-Okrilla | 322.84 mi (519.57 km) |
| Radolfzell am Bodensee to Ottersberg | 370.89 mi (596.89 km) |
| Radolfzell am Bodensee to Ottobrunn | 127.17 mi (204.65 km) |
| Radolfzell am Bodensee to Ottweiler | 139.69 mi (224.80 km) |
| Radolfzell am Bodensee to Overath | 234.56 mi (377.49 km) |
| Radolfzell am Bodensee to Oyten | 368.12 mi (592.44 km) |
| Radolfzell am Bodensee to Paderborn | 275.49 mi (443.35 km) |
| Radolfzell am Bodensee to Papenburg | 374.88 mi (603.31 km) |
| Radolfzell am Bodensee to Parchim | 412.25 mi (663.45 km) |
| Radolfzell am Bodensee to Pasewalk | 455.20 mi (732.57 km) |
| Radolfzell am Bodensee to Passau | 215.29 mi (346.47 km) |
| Radolfzell am Bodensee to Pattensen | 315.23 mi (507.31 km) |
| Radolfzell am Bodensee to Pegnitz | 182.57 mi (293.81 km) |
| Radolfzell am Bodensee to Peine | 321.87 mi (518.00 km) |
