| Cobh to Mauldin (South Carolina) | 3,728.04 mi (5,999.70 km) |
| Cobh to Maumee (Ohio) | 3,476.50 mi (5,594.88 km) |
| Cobh to Maumelle (Arkansas) | 4,138.84 mi (6,660.81 km) |
| Cobh to Mayagüez (Puerto Rico) | 3,916.61 mi (6,303.17 km) |
| Cobh to Mayfield Heights (Ohio) | 3,389.64 mi (5,455.10 km) |
| Cobh to Mays Chapel (Maryland) | 3,282.43 mi (5,282.56 km) |
| Cobh to Maywood (California) | 5,155.14 mi (8,296.40 km) |
| Cobh to Maywood (Illinois) | 3,629.10 mi (5,840.48 km) |
| Cobh to McAlester (Oklahoma) | 4,270.08 mi (6,872.03 km) |
| Cobh to McAllen (Texas) | 4,811.32 mi (7,743.07 km) |
| Cobh to McCalla (Alabama) | 3,994.66 mi (6,428.79 km) |
| Cobh to McComb (Mississippi) | 4,237.32 mi (6,819.31 km) |
| Cobh to McDonough (Georgia) | 3,868.56 mi (6,225.84 km) |
| Cobh to McFarland (California) | 5,097.85 mi (8,204.19 km) |
| Cobh to McHenry (Illinois) | 3,626.36 mi (5,836.07 km) |
