| Upminster to Archdale (North Carolina) | 3,936.98 mi (6,335.96 km) |
| Upminster to Arden-Arcade (California) | 5,284.25 mi (8,504.18 km) |
| Upminster to Ardmore (Oklahoma) | 4,700.32 mi (7,564.43 km) |
| Upminster to Ardmore (Pennsylvania) | 3,559.12 mi (5,727.86 km) |
| Upminster to Arecibo (Puerto Rico) | 4,243.62 mi (6,829.45 km) |
| Upminster to Arkadelphia (Arkansas) | 4,547.99 mi (7,319.29 km) |
| Upminster to Arkansas City (Kansas) | 4,549.50 mi (7,321.70 km) |
| Upminster to Arlington (Tennessee) | 4,357.95 mi (7,013.44 km) |
| Upminster to Arlington (Texas) | 4,777.69 mi (7,688.95 km) |
| Upminster to Arlington (Virginia) | 3,682.89 mi (5,927.05 km) |
| Upminster to Arlington (Washington) | 4,754.42 mi (7,651.50 km) |
| Upminster to Arlington Heights (Illinois) | 3,963.65 mi (6,378.88 km) |
| Upminster to Arnold (Maryland) | 3,650.87 mi (5,875.51 km) |
| Upminster to Arnold (Missouri) | 4,229.65 mi (6,806.97 km) |
| Upminster to Arroyo Grande (California) | 5,461.81 mi (8,789.93 km) |
