| Upper Grand Lagoon to Collegno | 4,926.59 mi (7,928.58 km) |
| Upper Grand Lagoon to Cologno al Serio | 5,005.61 mi (8,055.74 km) |
| Upper Grand Lagoon to Cologno Monzese | 4,988.79 mi (8,028.68 km) |
| Upper Grand Lagoon to Colorno | 5,055.07 mi (8,135.34 km) |
| Upper Grand Lagoon to Comacchio | 5,141.14 mi (8,273.86 km) |
| Upper Grand Lagoon to Comiso | 5,509.67 mi (8,866.95 km) |
| Upper Grand Lagoon to Como | 4,972.12 mi (8,001.85 km) |
| Upper Grand Lagoon to Concordia Sagittaria | 5,136.12 mi (8,265.79 km) |
| Upper Grand Lagoon to Concorezzo | 4,989.51 mi (8,029.84 km) |
| Upper Grand Lagoon to Conegliano | 5,108.67 mi (8,221.61 km) |
| Upper Grand Lagoon to Conselice | 5,131.60 mi (8,258.51 km) |
| Upper Grand Lagoon to Conselve | 5,110.58 mi (8,224.68 km) |
| Upper Grand Lagoon to Conversano | 5,484.94 mi (8,827.16 km) |
| Upper Grand Lagoon to Copertino | 5,551.89 mi (8,934.90 km) |
| Upper Grand Lagoon to Copparo | 5,119.56 mi (8,239.14 km) |
