| Covington to Marshall (Minnesota) | 690.24 mi (1,110.84 km) |
| Covington to Marshall (Missouri) | 465.68 mi (749.44 km) |
| Covington to Marshall (Texas) | 710.11 mi (1,142.81 km) |
| Covington to Marshalltown (Iowa) | 486.64 mi (783.18 km) |
| Covington to Marshfield (Wisconsin) | 485.56 mi (781.43 km) |
| Covington to Martha Lake (Washington) | 1,965.44 mi (3,163.06 km) |
| Covington to Martin (Tennessee) | 301.34 mi (484.96 km) |
| Covington to Martinez (California) | 2,019.36 mi (3,249.84 km) |
| Covington to Martinez (Georgia) | 403.94 mi (650.09 km) |
| Covington to Martinsburg (West Virginia) | 351.04 mi (564.95 km) |
| Covington to Martinsville (Indiana) | 105.83 mi (170.32 km) |
| Covington to Martinsville (New Jersey) | 538.30 mi (866.31 km) |
| Covington to Martinsville (Virginia) | 301.28 mi (484.87 km) |
| Covington to Maryland City (Maryland) | 413.58 mi (665.59 km) |
| Covington to Maryland Heights (Missouri) | 321.17 mi (516.88 km) |
