| Niederkassel to Arico el Nuevo | 1,986.43 mi (3,196.84 km) |
| Niederkassel to Armilla | 1,080.07 mi (1,738.20 km) |
| Niederkassel to Arnedo | 734.78 mi (1,182.52 km) |
| Niederkassel to Arona | 1,997.63 mi (3,214.87 km) |
| Niederkassel to Arrecife | 1,849.44 mi (2,976.38 km) |
| Niederkassel to Arrigorriaga | 702.17 mi (1,130.03 km) |
| Niederkassel to Arroyomolinos | 898.66 mi (1,446.25 km) |
| Niederkassel to Arteijo | 894.18 mi (1,439.04 km) |
| Niederkassel to Arucas | 1,959.97 mi (3,154.27 km) |
| Niederkassel to Aspe | 942.07 mi (1,516.12 km) |
| Niederkassel to Astorga | 845.94 mi (1,361.40 km) |
| Niederkassel to Atarfe | 1,077.29 mi (1,733.73 km) |
| Niederkassel to Avila | 899.26 mi (1,447.22 km) |
| Niederkassel to Aviles | 786.06 mi (1,265.04 km) |
| Niederkassel to Ayamonte | 1,178.58 mi (1,896.75 km) |
