| Bonham to Cascais | 4,664.64 mi (7,507.01 km) |
| Bonham to Castelo Branco | 4,722.80 mi (7,600.62 km) |
| Bonham to Castro Daire | 4,669.43 mi (7,514.73 km) |
| Bonham to Celorico de Basto | 4,651.86 mi (7,486.44 km) |
| Bonham to Chamusca | 4,690.06 mi (7,547.92 km) |
| Bonham to Chaves | 4,665.83 mi (7,508.93 km) |
| Bonham to Cinfaes | 4,654.05 mi (7,489.97 km) |
| Bonham to Coimbra | 4,666.66 mi (7,510.27 km) |
| Bonham to Condeixa-a-Nova | 4,666.13 mi (7,509.41 km) |
| Bonham to Corroios | 4,680.12 mi (7,531.92 km) |
| Bonham to Coruche | 4,699.91 mi (7,563.78 km) |
| Bonham to Costa de Caparica | 4,675.10 mi (7,523.84 km) |
| Bonham to Covilha | 4,708.53 mi (7,577.65 km) |
| Bonham to Eiras | 4,665.98 mi (7,509.17 km) |
| Bonham to Elvas | 4,768.93 mi (7,674.85 km) |
