| Butte to Cascais | 4,909.55 mi (7,901.16 km) |
| Butte to Castelo Branco | 4,928.50 mi (7,931.65 km) |
| Butte to Castro Daire | 4,859.69 mi (7,820.91 km) |
| Butte to Celorico de Basto | 4,833.88 mi (7,779.38 km) |
| Butte to Chamusca | 4,913.94 mi (7,908.22 km) |
| Butte to Chaves | 4,836.20 mi (7,783.11 km) |
| Butte to Cinfaes | 4,842.57 mi (7,793.37 km) |
| Butte to Coimbra | 4,874.35 mi (7,844.51 km) |
| Butte to Condeixa-a-Nova | 4,876.23 mi (7,847.54 km) |
| Butte to Corroios | 4,923.93 mi (7,924.30 km) |
| Butte to Coruche | 4,931.33 mi (7,936.21 km) |
| Butte to Costa de Caparica | 4,919.22 mi (7,916.71 km) |
| Butte to Covilha | 4,905.78 mi (7,895.10 km) |
| Butte to Eiras | 4,873.05 mi (7,842.42 km) |
| Butte to Elvas | 4,988.16 mi (8,027.66 km) |
