| Castellammare del Golfo to Marsciano | 339.11 mi (545.74 km) |
| Castellammare del Golfo to Martano | 326.97 mi (526.20 km) |
| Castellammare del Golfo to Martellago | 520.93 mi (838.36 km) |
| Castellammare del Golfo to Martina Franca | 301.10 mi (484.57 km) |
| Castellammare del Golfo to Martinengo | 545.23 mi (877.46 km) |
| Castellammare del Golfo to Martinsicuro | 339.96 mi (547.12 km) |
| Castellammare del Golfo to Mascali | 127.91 mi (205.84 km) |
| Castellammare del Golfo to Mascalucia | 122.62 mi (197.34 km) |
| Castellammare del Golfo to Masera di Padova | 506.41 mi (814.99 km) |
| Castellammare del Golfo to Maserada sul Piave | 534.43 mi (860.09 km) |
| Castellammare del Golfo to Massa | 438.97 mi (706.46 km) |
| Castellammare del Golfo to Massa Lombarda | 447.24 mi (719.77 km) |
| Castellammare del Golfo to Massafra | 287.17 mi (462.16 km) |
| Castellammare del Golfo to Massalubrense | 195.44 mi (314.53 km) |
| Castellammare del Golfo to Massarosa | 424.80 mi (683.65 km) |
