| Olkusz to Castelo Branco | 1,494.13 mi (2,404.57 km) |
| Olkusz to Castro Daire | 1,467.69 mi (2,362.02 km) |
| Olkusz to Celorico de Basto | 1,451.40 mi (2,335.81 km) |
| Olkusz to Chamusca | 1,555.23 mi (2,502.90 km) |
| Olkusz to Chaves | 1,414.93 mi (2,277.11 km) |
| Olkusz to Cinfaes | 1,468.24 mi (2,362.90 km) |
| Olkusz to Coimbra | 1,516.75 mi (2,440.98 km) |
| Olkusz to Condeixa-a-Nova | 1,523.65 mi (2,452.08 km) |
| Olkusz to Corroios | 1,615.00 mi (2,599.09 km) |
| Olkusz to Coruche | 1,574.02 mi (2,533.13 km) |
| Olkusz to Costa de Caparica | 1,617.24 mi (2,602.69 km) |
| Olkusz to Covilha | 1,474.53 mi (2,373.02 km) |
| Olkusz to Eiras | 1,515.25 mi (2,438.57 km) |
| Olkusz to Elvas | 1,520.84 mi (2,447.55 km) |
| Olkusz to Entroncamento | 1,549.67 mi (2,493.95 km) |
