| Middle River to Arcata (California) | 2,489.01 mi (4,005.67 km) |
| Middle River to Archdale (North Carolina) | 306.38 mi (493.07 km) |
| Middle River to Arden-Arcade (California) | 2,390.18 mi (3,846.62 km) |
| Middle River to Ardmore (Oklahoma) | 1,196.53 mi (1,925.63 km) |
| Middle River to Ardmore (Pennsylvania) | 75.45 mi (121.42 km) |
| Middle River to Arecibo (Puerto Rico) | 1,555.63 mi (2,503.55 km) |
| Middle River to Arkadelphia (Arkansas) | 987.94 mi (1,589.94 km) |
| Middle River to Arkansas City (Kansas) | 1,127.55 mi (1,814.62 km) |
| Middle River to Arlington (Tennessee) | 779.67 mi (1,254.76 km) |
| Middle River to Arlington (Texas) | 1,240.90 mi (1,997.03 km) |
| Middle River to Arlington (Virginia) | 48.42 mi (77.93 km) |
| Middle River to Arlington (Washington) | 2,324.63 mi (3,741.14 km) |
| Middle River to Arlington Heights (Illinois) | 633.78 mi (1,019.98 km) |
| Middle River to Arnold (Maryland) | 21.08 mi (33.92 km) |
| Middle River to Arnold (Missouri) | 752.04 mi (1,210.30 km) |
