| Upminster to Ames | 727.85 mi (1,171.36 km) |
| Upminster to Amorebieta | 592.55 mi (953.62 km) |
| Upminster to Amposta | 749.49 mi (1,206.18 km) |
| Upminster to Amurrio | 606.77 mi (976.51 km) |
| Upminster to Andoain | 585.78 mi (942.72 km) |
| Upminster to Andraitx | 834.34 mi (1,342.74 km) |
| Upminster to Andujar | 956.99 mi (1,540.12 km) |
| Upminster to Antequera | 1,031.66 mi (1,660.30 km) |
| Upminster to Antigua | 1,760.89 mi (2,833.88 km) |
| Upminster to Aranda de Duero | 706.94 mi (1,137.71 km) |
| Upminster to Aranjuez | 817.18 mi (1,315.13 km) |
| Upminster to Archena | 931.71 mi (1,499.44 km) |
| Upminster to Arcos de la Frontera | 1,065.13 mi (1,714.16 km) |
| Upminster to Arenys de Mar | 697.63 mi (1,122.72 km) |
| Upminster to Arenys de Munt | 695.44 mi (1,119.20 km) |
