| Ocsa to Castelo Branco | 1,425.76 mi (2,294.54 km) |
| Ocsa to Castro Daire | 1,409.80 mi (2,268.85 km) |
| Ocsa to Celorico de Basto | 1,397.85 mi (2,249.62 km) |
| Ocsa to Chamusca | 1,487.24 mi (2,393.48 km) |
| Ocsa to Chaves | 1,362.50 mi (2,192.73 km) |
| Ocsa to Cinfaes | 1,412.78 mi (2,273.66 km) |
| Ocsa to Coimbra | 1,455.19 mi (2,341.90 km) |
| Ocsa to Condeixa-a-Nova | 1,461.61 mi (2,352.24 km) |
| Ocsa to Corroios | 1,544.31 mi (2,485.32 km) |
| Ocsa to Coruche | 1,503.29 mi (2,419.31 km) |
| Ocsa to Costa de Caparica | 1,547.09 mi (2,489.81 km) |
| Ocsa to Covilha | 1,409.88 mi (2,268.98 km) |
| Ocsa to Eiras | 1,453.91 mi (2,339.85 km) |
| Ocsa to Elvas | 1,443.77 mi (2,323.53 km) |
| Ocsa to Entroncamento | 1,482.48 mi (2,385.83 km) |
