| Mattoon to Cascais | 4,085.83 mi (6,575.51 km) |
| Mattoon to Castelo Branco | 4,139.83 mi (6,662.42 km) |
| Mattoon to Castro Daire | 4,084.65 mi (6,573.61 km) |
| Mattoon to Celorico de Basto | 4,066.22 mi (6,543.94 km) |
| Mattoon to Chamusca | 4,108.91 mi (6,612.65 km) |
| Mattoon to Chaves | 4,079.20 mi (6,564.85 km) |
| Mattoon to Cinfaes | 4,069.03 mi (6,548.47 km) |
| Mattoon to Coimbra | 4,083.63 mi (6,571.96 km) |
| Mattoon to Condeixa-a-Nova | 4,083.34 mi (6,571.51 km) |
| Mattoon to Corroios | 4,101.26 mi (6,600.35 km) |
| Mattoon to Coruche | 4,119.68 mi (6,629.98 km) |
| Mattoon to Costa de Caparica | 4,096.25 mi (6,592.28 km) |
| Mattoon to Covilha | 4,124.62 mi (6,637.94 km) |
| Mattoon to Eiras | 4,082.87 mi (6,570.75 km) |
| Mattoon to Elvas | 4,187.66 mi (6,739.39 km) |
