| Harper Woods to Cascais | 3,742.82 mi (6,023.48 km) |
| Harper Woods to Castelo Branco | 3,794.67 mi (6,106.93 km) |
| Harper Woods to Castro Daire | 3,738.63 mi (6,016.74 km) |
| Harper Woods to Celorico de Basto | 3,719.79 mi (5,986.42 km) |
| Harper Woods to Chamusca | 3,764.67 mi (6,058.65 km) |
| Harper Woods to Chaves | 3,732.31 mi (6,006.57 km) |
| Harper Woods to Cinfaes | 3,722.90 mi (5,991.42 km) |
| Harper Woods to Coimbra | 3,738.45 mi (6,016.46 km) |
| Harper Woods to Condeixa-a-Nova | 3,738.30 mi (6,016.21 km) |
| Harper Woods to Corroios | 3,758.21 mi (6,048.26 km) |
| Harper Woods to Coruche | 3,775.91 mi (6,076.73 km) |
| Harper Woods to Costa de Caparica | 3,753.21 mi (6,040.21 km) |
| Harper Woods to Covilha | 3,779.01 mi (6,081.72 km) |
| Harper Woods to Eiras | 3,737.67 mi (6,015.20 km) |
| Harper Woods to Elvas | 3,843.33 mi (6,185.24 km) |
