| Radolfzell am Bodensee to Novi di Modena | 216.83 mi (348.95 km) |
| Radolfzell am Bodensee to Novi Ligure | 205.67 mi (331.00 km) |
| Radolfzell am Bodensee to Nuoro | 512.76 mi (825.21 km) |
| Radolfzell am Bodensee to Occhiobello | 230.84 mi (371.50 km) |
| Radolfzell am Bodensee to Oderzo | 214.57 mi (345.32 km) |
| Radolfzell am Bodensee to Oggiono | 135.95 mi (218.79 km) |
| Radolfzell am Bodensee to Olbia | 471.72 mi (759.15 km) |
| Radolfzell am Bodensee to Oleggio | 148.24 mi (238.57 km) |
| Radolfzell am Bodensee to Olgiate Comasco | 134.73 mi (216.83 km) |
| Radolfzell am Bodensee to Olgiate Olona | 145.15 mi (233.60 km) |
| Radolfzell am Bodensee to Omegna | 130.89 mi (210.64 km) |
| Radolfzell am Bodensee to Opera | 162.80 mi (262.01 km) |
| Radolfzell am Bodensee to Oppeano | 198.41 mi (319.30 km) |
| Radolfzell am Bodensee to Orbassano | 200.29 mi (322.34 km) |
| Radolfzell am Bodensee to Orbetello | 381.78 mi (614.42 km) |
