| Middlesex to Anoka (Minnesota) | 1,005.54 mi (1,618.26 km) |
| Middlesex to Ansonia (Connecticut) | 91.73 mi (147.62 km) |
| Middlesex to Antelope (California) | 2,466.75 mi (3,969.85 km) |
| Middlesex to Anthem (Arizona) | 2,104.37 mi (3,386.66 km) |
| Middlesex to Antioch (California) | 2,505.45 mi (4,032.14 km) |
| Middlesex to Antioch (Illinois) | 713.36 mi (1,148.04 km) |
| Middlesex to Apache Junction (Arizona) | 2,086.81 mi (3,358.40 km) |
| Middlesex to Apex (North Carolina) | 410.71 mi (660.97 km) |
| Middlesex to Apollo Beach (Florida) | 992.71 mi (1,597.62 km) |
| Middlesex to Apopka (Florida) | 911.72 mi (1,467.27 km) |
| Middlesex to Apple Valley (California) | 2,352.90 mi (3,786.62 km) |
| Middlesex to Apple Valley (Minnesota) | 990.29 mi (1,593.72 km) |
| Middlesex to Appleton (Wisconsin) | 751.96 mi (1,210.17 km) |
| Middlesex to Arbutus (Maryland) | 148.15 mi (238.42 km) |
| Middlesex to Arcadia (California) | 2,407.17 mi (3,873.97 km) |
