| Grosseto to Minturno | 171.00 mi (275.20 km) |
| Grosseto to Mira | 191.51 mi (308.21 km) |
| Grosseto to Mirandola | 146.53 mi (235.82 km) |
| Grosseto to Mirano | 195.25 mi (314.22 km) |
| Grosseto to Misano Adriatico | 115.46 mi (185.82 km) |
| Grosseto to Misilmeri | 349.60 mi (562.63 km) |
| Grosseto to Missaglia | 220.72 mi (355.22 km) |
| Grosseto to Misterbianco | 417.11 mi (671.28 km) |
| Grosseto to Modena | 130.12 mi (209.42 km) |
| Grosseto to Modica | 451.44 mi (726.52 km) |
| Grosseto to Modugno | 314.38 mi (505.94 km) |
| Grosseto to Mogliano Veneto | 201.17 mi (323.75 km) |
| Grosseto to Molfetta | 302.44 mi (486.72 km) |
| Grosseto to Molinella | 130.92 mi (210.69 km) |
| Grosseto to Moncalieri | 229.63 mi (369.55 km) |
