| Rohnert Park to Collegno | 5,896.03 mi (9,488.74 km) |
| Rohnert Park to Cologno al Serio | 5,928.87 mi (9,541.59 km) |
| Rohnert Park to Cologno Monzese | 5,920.05 mi (9,527.40 km) |
| Rohnert Park to Colorno | 5,984.72 mi (9,631.48 km) |
| Rohnert Park to Comacchio | 6,047.87 mi (9,733.11 km) |
| Rohnert Park to Comiso | 6,565.73 mi (10,566.52 km) |
| Rohnert Park to Como | 5,898.84 mi (9,493.27 km) |
| Rohnert Park to Concordia Sagittaria | 6,004.42 mi (9,663.18 km) |
| Rohnert Park to Concorezzo | 5,918.25 mi (9,524.51 km) |
| Rohnert Park to Conegliano | 5,982.79 mi (9,628.38 km) |
| Rohnert Park to Conselice | 6,048.78 mi (9,734.57 km) |
| Rohnert Park to Conselve | 6,008.66 mi (9,670.00 km) |
| Rohnert Park to Conversano | 6,399.09 mi (10,298.34 km) |
| Rohnert Park to Copertino | 6,465.49 mi (10,405.20 km) |
| Rohnert Park to Copparo | 6,026.83 mi (9,699.25 km) |
