| Radolfzell am Bodensee to Castelo Branco | 983.78 mi (1,583.24 km) |
| Radolfzell am Bodensee to Castro Daire | 956.68 mi (1,539.63 km) |
| Radolfzell am Bodensee to Celorico de Basto | 940.69 mi (1,513.90 km) |
| Radolfzell am Bodensee to Chamusca | 1,044.73 mi (1,681.32 km) |
| Radolfzell am Bodensee to Chaves | 904.31 mi (1,455.35 km) |
| Radolfzell am Bodensee to Cinfaes | 957.36 mi (1,540.73 km) |
| Radolfzell am Bodensee to Coimbra | 1,005.74 mi (1,618.58 km) |
| Radolfzell am Bodensee to Condeixa-a-Nova | 1,012.65 mi (1,629.69 km) |
| Radolfzell am Bodensee to Corroios | 1,104.84 mi (1,778.07 km) |
| Radolfzell am Bodensee to Coruche | 1,063.93 mi (1,712.24 km) |
| Radolfzell am Bodensee to Costa de Caparica | 1,106.98 mi (1,781.51 km) |
| Radolfzell am Bodensee to Covilha | 963.73 mi (1,550.97 km) |
| Radolfzell am Bodensee to Eiras | 1,004.23 mi (1,616.16 km) |
| Radolfzell am Bodensee to Elvas | 1,012.54 mi (1,629.52 km) |
| Radolfzell am Bodensee to Entroncamento | 1,039.06 mi (1,672.21 km) |
