| Willimantic to Abilene (Texas) | 1,637.58 mi (2,635.43 km) |
| Willimantic to Accokeek (Maryland) | 328.73 mi (529.04 km) |
| Willimantic to Acworth (Georgia) | 859.76 mi (1,383.64 km) |
| Willimantic to Ada (Oklahoma) | 1,405.53 mi (2,261.98 km) |
| Willimantic to Addison (Illinois) | 812.34 mi (1,307.34 km) |
| Willimantic to Addison (Texas) | 1,475.03 mi (2,373.83 km) |
| Willimantic to Adelanto (California) | 2,477.22 mi (3,986.70 km) |
| Willimantic to Adelphi (Maryland) | 312.70 mi (503.24 km) |
| Willimantic to Adrian (Michigan) | 609.07 mi (980.21 km) |
| Willimantic to Affton (Missouri) | 979.63 mi (1,576.56 km) |
| Willimantic to Agoura Hills (California) | 2,558.03 mi (4,116.75 km) |
| Willimantic to Aguadilla (Puerto Rico) | 1,635.81 mi (2,632.59 km) |
| Willimantic to Aiken (South Carolina) | 767.87 mi (1,235.76 km) |
| Willimantic to Akron (Ohio) | 484.32 mi (779.43 km) |
| Willimantic to Alabaster (Alabama) | 991.04 mi (1,594.92 km) |
