| Middlesbrough to Archdale (North Carolina) | 3,818.97 mi (6,146.03 km) |
| Middlesbrough to Arden-Arcade (California) | 5,091.17 mi (8,193.45 km) |
| Middlesbrough to Ardmore (Oklahoma) | 4,551.30 mi (7,324.61 km) |
| Middlesbrough to Ardmore (Pennsylvania) | 3,439.19 mi (5,534.84 km) |
| Middlesbrough to Arecibo (Puerto Rico) | 4,209.92 mi (6,775.22 km) |
| Middlesbrough to Arkadelphia (Arkansas) | 4,406.97 mi (7,092.33 km) |
| Middlesbrough to Arkansas City (Kansas) | 4,395.02 mi (7,073.10 km) |
| Middlesbrough to Arlington (Tennessee) | 4,221.22 mi (6,793.40 km) |
| Middlesbrough to Arlington (Texas) | 4,631.59 mi (7,453.83 km) |
| Middlesbrough to Arlington (Virginia) | 3,562.57 mi (5,733.40 km) |
| Middlesbrough to Arlington (Washington) | 4,551.92 mi (7,325.61 km) |
| Middlesbrough to Arlington Heights (Illinois) | 3,814.10 mi (6,138.20 km) |
| Middlesbrough to Arnold (Maryland) | 3,531.33 mi (5,683.12 km) |
| Middlesbrough to Arnold (Missouri) | 4,084.38 mi (6,573.17 km) |
| Middlesbrough to Arroyo Grande (California) | 5,273.23 mi (8,486.44 km) |
