| Oceanside to McHenry (Illinois) | 1,694.63 mi (2,727.24 km) |
| Oceanside to McKeesport (Pennsylvania) | 2,113.97 mi (3,402.10 km) |
| Oceanside to McKinleyville (California) | 650.94 mi (1,047.59 km) |
| Oceanside to McKinney (Texas) | 1,191.24 mi (1,917.12 km) |
| Oceanside to McLean (Virginia) | 2,255.96 mi (3,630.62 km) |
| Oceanside to McMinnville (Oregon) | 885.40 mi (1,424.92 km) |
| Oceanside to McMinnville (Tennessee) | 1,796.50 mi (2,891.18 km) |
| Oceanside to McNair (Virginia) | 2,244.28 mi (3,611.82 km) |
| Oceanside to McPherson (Kansas) | 1,154.40 mi (1,857.82 km) |
| Oceanside to Mead Valley (California) | 42.07 mi (67.71 km) |
| Oceanside to Meadow Woods (Florida) | 2,149.87 mi (3,459.89 km) |
| Oceanside to Meadowbrook (Virginia) | 2,247.48 mi (3,616.96 km) |
| Oceanside to Meadville (Pennsylvania) | 2,102.26 mi (3,383.27 km) |
| Oceanside to Mebane (North Carolina) | 2,157.04 mi (3,471.42 km) |
| Oceanside to Mechanicsville (Virginia) | 2,252.82 mi (3,625.56 km) |
