| Box Elder to Cascais | 4,591.94 mi (7,390.01 km) |
| Box Elder to Castelo Branco | 4,623.48 mi (7,440.78 km) |
| Box Elder to Castro Daire | 4,558.84 mi (7,336.74 km) |
| Box Elder to Celorico de Basto | 4,535.38 mi (7,299.00 km) |
| Box Elder to Chamusca | 4,602.98 mi (7,407.78 km) |
| Box Elder to Chaves | 4,541.51 mi (7,308.85 km) |
| Box Elder to Cinfaes | 4,542.08 mi (7,309.77 km) |
| Box Elder to Coimbra | 4,568.08 mi (7,351.62 km) |
| Box Elder to Condeixa-a-Nova | 4,569.22 mi (7,353.44 km) |
| Box Elder to Corroios | 4,606.82 mi (7,413.97 km) |
| Box Elder to Coruche | 4,618.19 mi (7,432.26 km) |
| Box Elder to Costa de Caparica | 4,601.96 mi (7,406.14 km) |
| Box Elder to Covilha | 4,603.21 mi (7,408.16 km) |
| Box Elder to Eiras | 4,566.96 mi (7,349.82 km) |
| Box Elder to Elvas | 4,679.50 mi (7,530.94 km) |
