| Westerville to Marrero (Louisiana) | 815.34 mi (1,312.16 km) |
| Westerville to Marshall (Minnesota) | 721.40 mi (1,160.98 km) |
| Westerville to Marshall (Missouri) | 551.24 mi (887.13 km) |
| Westerville to Marshall (Texas) | 823.16 mi (1,324.75 km) |
| Westerville to Marshalltown (Iowa) | 536.22 mi (862.96 km) |
| Westerville to Marshfield (Wisconsin) | 484.70 mi (780.05 km) |
| Westerville to Martha Lake (Washington) | 2,002.19 mi (3,222.21 km) |
| Westerville to Martin (Tennessee) | 414.57 mi (667.18 km) |
| Westerville to Martinez (California) | 2,090.87 mi (3,364.93 km) |
| Westerville to Martinez (Georgia) | 458.49 mi (737.87 km) |
| Westerville to Martinsburg (West Virginia) | 266.41 mi (428.75 km) |
| Westerville to Martinsville (Indiana) | 192.75 mi (310.21 km) |
| Westerville to Martinsville (New Jersey) | 440.45 mi (708.84 km) |
| Westerville to Martinsville (Virginia) | 289.69 mi (466.21 km) |
| Westerville to Maryland City (Maryland) | 333.04 mi (535.97 km) |
