| Grosseto to Collegno | 237.26 mi (381.83 km) |
| Grosseto to Cologno al Serio | 206.60 mi (332.48 km) |
| Grosseto to Cologno Monzese | 211.11 mi (339.74 km) |
| Grosseto to Colorno | 153.90 mi (247.67 km) |
| Grosseto to Comacchio | 144.11 mi (231.92 km) |
| Grosseto to Comiso | 442.59 mi (712.28 km) |
| Grosseto to Como | 232.67 mi (374.44 km) |
| Grosseto to Concordia Sagittaria | 224.62 mi (361.49 km) |
| Grosseto to Concorezzo | 213.73 mi (343.96 km) |
| Grosseto to Conegliano | 223.55 mi (359.76 km) |
| Grosseto to Conselice | 126.35 mi (203.34 km) |
| Grosseto to Conselve | 174.63 mi (281.04 km) |
| Grosseto to Conversano | 333.53 mi (536.76 km) |
| Grosseto to Copertino | 398.72 mi (641.68 km) |
| Grosseto to Copparo | 151.86 mi (244.39 km) |
