| Ahlen to Castelo Branco | 1,105.06 mi (1,778.42 km) |
| Ahlen to Castro Daire | 1,060.22 mi (1,706.27 km) |
| Ahlen to Celorico de Basto | 1,036.98 mi (1,668.86 km) |
| Ahlen to Chamusca | 1,162.26 mi (1,870.47 km) |
| Ahlen to Chaves | 1,000.42 mi (1,610.03 km) |
| Ahlen to Cinfaes | 1,056.34 mi (1,700.02 km) |
| Ahlen to Coimbra | 1,113.56 mi (1,792.11 km) |
| Ahlen to Condeixa-a-Nova | 1,120.99 mi (1,804.06 km) |
| Ahlen to Corroios | 1,224.41 mi (1,970.50 km) |
| Ahlen to Coruche | 1,185.43 mi (1,907.76 km) |
| Ahlen to Costa de Caparica | 1,225.49 mi (1,972.23 km) |
| Ahlen to Covilha | 1,079.34 mi (1,737.03 km) |
| Ahlen to Eiras | 1,111.72 mi (1,789.14 km) |
| Ahlen to Elvas | 1,147.75 mi (1,847.12 km) |
| Ahlen to Entroncamento | 1,155.42 mi (1,859.47 km) |
