| Westerville to Abilene (Texas) | 1,073.49 mi (1,727.62 km) |
| Westerville to Accokeek (Maryland) | 331.42 mi (533.37 km) |
| Westerville to Acworth (Georgia) | 430.16 mi (692.27 km) |
| Westerville to Ada (Oklahoma) | 838.79 mi (1,349.90 km) |
| Westerville to Addison (Illinois) | 293.04 mi (471.60 km) |
| Westerville to Addison (Texas) | 915.75 mi (1,473.76 km) |
| Westerville to Adelanto (California) | 1,921.60 mi (3,092.51 km) |
| Westerville to Adelphi (Maryland) | 326.53 mi (525.49 km) |
| Westerville to Adrian (Michigan) | 135.93 mi (218.76 km) |
| Westerville to Affton (Missouri) | 410.27 mi (660.26 km) |
| Westerville to Agoura Hills (California) | 2,002.60 mi (3,222.87 km) |
| Westerville to Aguadilla (Puerto Rico) | 1,767.90 mi (2,845.16 km) |
| Westerville to Aiken (South Carolina) | 460.33 mi (740.83 km) |
| Westerville to Akron (Ohio) | 98.73 mi (158.88 km) |
| Westerville to Alabaster (Alabama) | 523.60 mi (842.65 km) |
