| Auburn Hills to Cascais | 3,751.41 mi (6,037.31 km) |
| Auburn Hills to Castelo Branco | 3,802.48 mi (6,119.51 km) |
| Auburn Hills to Castro Daire | 3,746.08 mi (6,028.73 km) |
| Auburn Hills to Celorico de Basto | 3,727.05 mi (5,998.11 km) |
| Auburn Hills to Chamusca | 3,772.84 mi (6,071.80 km) |
| Auburn Hills to Chaves | 3,739.34 mi (6,017.88 km) |
| Auburn Hills to Cinfaes | 3,730.30 mi (6,003.33 km) |
| Auburn Hills to Coimbra | 3,746.27 mi (6,029.03 km) |
| Auburn Hills to Condeixa-a-Nova | 3,746.16 mi (6,028.87 km) |
| Auburn Hills to Corroios | 3,766.79 mi (6,062.06 km) |
| Auburn Hills to Coruche | 3,784.24 mi (6,090.14 km) |
| Auburn Hills to Costa de Caparica | 3,761.79 mi (6,054.02 km) |
| Auburn Hills to Covilha | 3,786.63 mi (6,094.00 km) |
| Auburn Hills to Eiras | 3,745.47 mi (6,027.75 km) |
| Auburn Hills to Elvas | 3,851.45 mi (6,198.31 km) |
