| Billingham to Cascais | 1,163.33 mi (1,872.20 km) |
| Billingham to Castelo Branco | 1,062.09 mi (1,709.26 km) |
| Billingham to Castro Daire | 995.46 mi (1,602.03 km) |
| Billingham to Celorico de Basto | 964.32 mi (1,551.92 km) |
| Billingham to Chamusca | 1,106.42 mi (1,780.61 km) |
| Billingham to Chaves | 933.07 mi (1,501.63 km) |
| Billingham to Cinfaes | 985.05 mi (1,585.28 km) |
| Billingham to Coimbra | 1,048.35 mi (1,687.16 km) |
| Billingham to Condeixa-a-Nova | 1,055.66 mi (1,698.91 km) |
| Billingham to Corroios | 1,164.99 mi (1,874.87 km) |
| Billingham to Coruche | 1,133.25 mi (1,823.79 km) |
| Billingham to Costa de Caparica | 1,164.27 mi (1,873.71 km) |
| Billingham to Covilha | 1,030.79 mi (1,658.90 km) |
| Billingham to Eiras | 1,046.22 mi (1,683.73 km) |
| Billingham to Elvas | 1,121.85 mi (1,805.45 km) |
