| Civitavecchia to Mendicino | 302.33 mi (486.55 km) |
| Civitavecchia to Menfi | 316.50 mi (509.36 km) |
| Civitavecchia to Mentana | 43.98 mi (70.78 km) |
| Civitavecchia to Merano | 317.31 mi (510.65 km) |
| Civitavecchia to Merate | 275.20 mi (442.89 km) |
| Civitavecchia to Mercato San Severino | 178.55 mi (287.36 km) |
| Civitavecchia to Mercogliano | 172.60 mi (277.77 km) |
| Civitavecchia to Mesagne | 328.73 mi (529.04 km) |
| Civitavecchia to Messina | 334.83 mi (538.85 km) |
| Civitavecchia to Mestre | 235.28 mi (378.65 km) |
| Civitavecchia to Mestrino | 231.47 mi (372.51 km) |
| Civitavecchia to Milan | 266.55 mi (428.97 km) |
| Civitavecchia to Milazzo | 323.84 mi (521.18 km) |
| Civitavecchia to Minerbio | 174.72 mi (281.19 km) |
| Civitavecchia to Minervino Murge | 231.81 mi (373.07 km) |
