| Herdecke to Arico el Nuevo | 2,026.62 mi (3,261.53 km) |
| Herdecke to Armilla | 1,123.31 mi (1,807.79 km) |
| Herdecke to Arnedo | 776.97 mi (1,250.41 km) |
| Herdecke to Arona | 2,037.76 mi (3,279.46 km) |
| Herdecke to Arrecife | 1,890.74 mi (3,042.86 km) |
| Herdecke to Arrigorriaga | 742.97 mi (1,195.70 km) |
| Herdecke to Arroyomolinos | 940.73 mi (1,513.96 km) |
| Herdecke to Arteijo | 929.40 mi (1,495.73 km) |
| Herdecke to Arucas | 2,000.64 mi (3,219.72 km) |
| Herdecke to Aspe | 985.87 mi (1,586.60 km) |
| Herdecke to Astorga | 884.60 mi (1,423.63 km) |
| Herdecke to Atarfe | 1,120.48 mi (1,803.25 km) |
| Herdecke to Avila | 940.60 mi (1,513.75 km) |
| Herdecke to Aviles | 823.51 mi (1,325.31 km) |
| Herdecke to Ayamonte | 1,220.04 mi (1,963.47 km) |
