| Gronau to Bombarral | 1,181.95 mi (1,902.17 km) |
| Gronau to Bougado | 1,049.10 mi (1,688.37 km) |
| Gronau to Braga | 1,033.13 mi (1,662.66 km) |
| Gronau to Braganca | 966.12 mi (1,554.82 km) |
| Gronau to Cabeceiras de Basto | 1,020.93 mi (1,643.03 km) |
| Gronau to Cacem | 1,214.79 mi (1,955.01 km) |
| Gronau to Cadaval | 1,182.19 mi (1,902.56 km) |
| Gronau to Caldas da Rainha | 1,173.53 mi (1,888.62 km) |
| Gronau to Calheta | 1,809.05 mi (2,911.39 km) |
| Gronau to Camara de Lobos | 1,804.59 mi (2,904.20 km) |
| Gronau to Canico | 1,803.47 mi (2,902.41 km) |
| Gronau to Cantanhede | 1,104.24 mi (1,777.11 km) |
| Gronau to Carregal do Sal | 1,080.81 mi (1,739.39 km) |
| Gronau to Cartaxo | 1,177.16 mi (1,894.45 km) |
| Gronau to Cascais | 1,222.12 mi (1,966.81 km) |
