| Upminster to Alcorcon | 798.38 mi (1,284.88 km) |
| Upminster to Alcoy | 889.05 mi (1,430.79 km) |
| Upminster to Alcudia | 820.20 mi (1,319.98 km) |
| Upminster to Aldaya | 836.17 mi (1,345.68 km) |
| Upminster to Alella | 701.79 mi (1,129.43 km) |
| Upminster to Alfafar | 838.91 mi (1,350.10 km) |
| Upminster to Alfaro | 654.70 mi (1,053.64 km) |
| Upminster to Algeciras | 1,102.40 mi (1,774.13 km) |
| Upminster to Algemesi | 855.05 mi (1,376.07 km) |
| Upminster to Algete | 777.90 mi (1,251.91 km) |
| Upminster to Alginet | 850.08 mi (1,368.08 km) |
| Upminster to Alguazas | 935.87 mi (1,506.14 km) |
| Upminster to Alhama de Murcia | 950.39 mi (1,529.50 km) |
| Upminster to Alhaurin de la Torre | 1,055.36 mi (1,698.43 km) |
| Upminster to Alhaurin el Grande | 1,059.10 mi (1,704.46 km) |
