| Westerville to Ashtabula (Ohio) | 164.24 mi (264.31 km) |
| Westerville to Ashwaubenon (Wisconsin) | 400.21 mi (644.07 km) |
| Westerville to Aspen Hill (Maryland) | 318.78 mi (513.03 km) |
| Westerville to Astoria (Oregon) | 2,078.88 mi (3,345.64 km) |
| Westerville to Atascadero (California) | 2,070.66 mi (3,332.40 km) |
| Westerville to Atascocita (Texas) | 984.75 mi (1,584.81 km) |
| Westerville to Atchison (Kansas) | 648.69 mi (1,043.96 km) |
| Westerville to Athens (Alabama) | 429.95 mi (691.94 km) |
| Westerville to Athens (Georgia) | 427.25 mi (687.59 km) |
| Westerville to Athens (Ohio) | 70.30 mi (113.14 km) |
| Westerville to Athens (Tennessee) | 335.27 mi (539.57 km) |
| Westerville to Athens (Texas) | 902.89 mi (1,453.06 km) |
| Westerville to Atlanta (Georgia) | 447.25 mi (719.78 km) |
| Westerville to Atlantic Beach (Florida) | 681.49 mi (1,096.76 km) |
| Westerville to Atlantic City (New Jersey) | 452.59 mi (728.38 km) |
