| Oudenburg to Castelo Branco | 933.54 mi (1,502.38 km) |
| Oudenburg to Castro Daire | 881.03 mi (1,417.88 km) |
| Oudenburg to Celorico de Basto | 855.01 mi (1,376.01 km) |
| Oudenburg to Chamusca | 987.56 mi (1,589.32 km) |
| Oudenburg to Chaves | 819.29 mi (1,318.53 km) |
| Oudenburg to Cinfaes | 875.14 mi (1,408.40 km) |
| Oudenburg to Coimbra | 935.17 mi (1,505.02 km) |
| Oudenburg to Condeixa-a-Nova | 942.69 mi (1,517.11 km) |
| Oudenburg to Corroios | 1,049.51 mi (1,689.02 km) |
| Oudenburg to Coruche | 1,012.24 mi (1,629.04 km) |
| Oudenburg to Costa de Caparica | 1,050.04 mi (1,689.87 km) |
| Oudenburg to Covilha | 905.55 mi (1,457.34 km) |
| Oudenburg to Eiras | 933.21 mi (1,501.86 km) |
| Oudenburg to Elvas | 982.73 mi (1,581.56 km) |
| Oudenburg to Entroncamento | 980.28 mi (1,577.60 km) |
