| Channelview to Cascais | 4,754.33 mi (7,651.35 km) |
| Channelview to Castelo Branco | 4,820.21 mi (7,757.37 km) |
| Channelview to Castro Daire | 4,770.85 mi (7,677.94 km) |
| Channelview to Celorico de Basto | 4,755.25 mi (7,652.84 km) |
| Channelview to Chamusca | 4,783.98 mi (7,699.08 km) |
| Channelview to Chaves | 4,771.50 mi (7,678.99 km) |
| Channelview to Cinfaes | 4,756.04 mi (7,654.11 km) |
| Channelview to Coimbra | 4,764.39 mi (7,667.55 km) |
| Channelview to Condeixa-a-Nova | 4,763.35 mi (7,665.87 km) |
| Channelview to Corroios | 4,769.84 mi (7,676.31 km) |
| Channelview to Coruche | 4,792.07 mi (7,712.08 km) |
| Channelview to Costa de Caparica | 4,764.82 mi (7,668.24 km) |
| Channelview to Covilha | 4,807.93 mi (7,737.62 km) |
| Channelview to Eiras | 4,763.85 mi (7,666.68 km) |
| Channelview to Elvas | 4,862.80 mi (7,825.93 km) |
