| Cobh to Marysville (California) | 4,982.50 mi (8,018.56 km) |
| Cobh to Marysville (Ohio) | 3,523.11 mi (5,669.90 km) |
| Cobh to Marysville (Washington) | 4,510.21 mi (7,258.48 km) |
| Cobh to Maryville (Missouri) | 3,973.20 mi (6,394.26 km) |
| Cobh to Maryville (Tennessee) | 3,752.44 mi (6,038.97 km) |
| Cobh to Mason (Ohio) | 3,600.18 mi (5,793.93 km) |
| Cobh to Mason City (Iowa) | 3,779.40 mi (6,082.36 km) |
| Cobh to Massapequa (New York) | 3,097.47 mi (4,984.89 km) |
| Cobh to Massapequa Park (New York) | 3,096.00 mi (4,982.54 km) |
| Cobh to Massillon (Ohio) | 3,424.29 mi (5,510.86 km) |
| Cobh to Mastic (New York) | 3,065.57 mi (4,933.56 km) |
| Cobh to Mastic Beach (New York) | 3,066.92 mi (4,935.72 km) |
| Cobh to Matteson (Illinois) | 3,641.76 mi (5,860.85 km) |
| Cobh to Matthews (North Carolina) | 3,645.79 mi (5,867.33 km) |
| Cobh to Mattoon (Illinois) | 3,758.14 mi (6,048.14 km) |
