| Grinon to Collegno | 669.73 mi (1,077.83 km) |
| Grinon to Cologno al Serio | 778.19 mi (1,252.38 km) |
| Grinon to Cologno Monzese | 758.01 mi (1,219.91 km) |
| Grinon to Colorno | 792.69 mi (1,275.72 km) |
| Grinon to Comacchio | 872.20 mi (1,403.67 km) |
| Grinon to Comiso | 1,019.71 mi (1,641.06 km) |
| Grinon to Como | 757.90 mi (1,219.72 km) |
| Grinon to Concordia Sagittaria | 924.67 mi (1,488.11 km) |
| Grinon to Concorezzo | 762.30 mi (1,226.80 km) |
| Grinon to Conegliano | 902.29 mi (1,452.09 km) |
| Grinon to Conselice | 852.29 mi (1,371.62 km) |
| Grinon to Conselve | 867.89 mi (1,396.74 km) |
| Grinon to Conversano | 1,098.64 mi (1,768.09 km) |
| Grinon to Copertino | 1,152.07 mi (1,854.08 km) |
| Grinon to Copparo | 859.49 mi (1,383.21 km) |
