| Port Arthur to Cascais | 4,692.34 mi (7,551.59 km) |
| Port Arthur to Castelo Branco | 4,759.29 mi (7,659.34 km) |
| Port Arthur to Castro Daire | 4,710.55 mi (7,580.90 km) |
| Port Arthur to Celorico de Basto | 4,695.27 mi (7,556.30 km) |
| Port Arthur to Chamusca | 4,722.58 mi (7,600.25 km) |
| Port Arthur to Chaves | 4,711.87 mi (7,583.01 km) |
| Port Arthur to Cinfaes | 4,695.84 mi (7,557.22 km) |
| Port Arthur to Coimbra | 4,703.55 mi (7,569.63 km) |
| Port Arthur to Condeixa-a-Nova | 4,702.43 mi (7,567.82 km) |
| Port Arthur to Corroios | 4,707.84 mi (7,576.54 km) |
| Port Arthur to Coruche | 4,730.40 mi (7,612.85 km) |
| Port Arthur to Costa de Caparica | 4,702.83 mi (7,568.47 km) |
| Port Arthur to Covilha | 4,747.32 mi (7,640.07 km) |
| Port Arthur to Eiras | 4,703.03 mi (7,568.79 km) |
| Port Arthur to Elvas | 4,801.36 mi (7,727.04 km) |
