| Radolfzell am Bodensee to Montemor-o-Novo | 1,065.25 mi (1,714.36 km) |
| Radolfzell am Bodensee to Montemor-o-Velho | 1,018.31 mi (1,638.82 km) |
| Radolfzell am Bodensee to Montijo | 1,091.49 mi (1,756.58 km) |
| Radolfzell am Bodensee to Mortagua | 988.29 mi (1,590.51 km) |
| Radolfzell am Bodensee to Moura | 1,059.07 mi (1,704.40 km) |
| Radolfzell am Bodensee to Murtosa | 993.25 mi (1,598.48 km) |
| Radolfzell am Bodensee to Nazare | 1,058.23 mi (1,703.05 km) |
| Radolfzell am Bodensee to Nelas | 968.67 mi (1,558.92 km) |
| Radolfzell am Bodensee to Obidos | 1,072.40 mi (1,725.85 km) |
| Radolfzell am Bodensee to Odemira | 1,131.92 mi (1,821.65 km) |
| Radolfzell am Bodensee to Odivelas | 1,098.17 mi (1,767.34 km) |
| Radolfzell am Bodensee to Oeiras | 1,108.58 mi (1,784.09 km) |
| Radolfzell am Bodensee to Olhao | 1,128.40 mi (1,815.99 km) |
| Radolfzell am Bodensee to Oliveira de Azemeis | 982.24 mi (1,580.76 km) |
| Radolfzell am Bodensee to Oliveira de Frades | 974.67 mi (1,568.58 km) |
