| Potters Bar to Ames | 724.40 mi (1,165.81 km) |
| Potters Bar to Amorebieta | 597.73 mi (961.95 km) |
| Potters Bar to Amposta | 760.02 mi (1,223.14 km) |
| Potters Bar to Amurrio | 611.58 mi (984.25 km) |
| Potters Bar to Andoain | 592.18 mi (953.02 km) |
| Potters Bar to Andraitx | 846.89 mi (1,362.94 km) |
| Potters Bar to Andujar | 962.19 mi (1,548.50 km) |
| Potters Bar to Antequera | 1,036.57 mi (1,668.20 km) |
| Potters Bar to Antigua | 1,760.18 mi (2,832.74 km) |
| Potters Bar to Aranda de Duero | 711.34 mi (1,144.79 km) |
| Potters Bar to Aranjuez | 822.34 mi (1,323.42 km) |
| Potters Bar to Archena | 940.05 mi (1,512.87 km) |
| Potters Bar to Arcos de la Frontera | 1,068.79 mi (1,720.05 km) |
| Potters Bar to Arenys de Mar | 710.74 mi (1,143.83 km) |
| Potters Bar to Arenys de Munt | 708.55 mi (1,140.31 km) |
