| Suisun City to Collegno | 5,881.61 mi (9,465.54 km) |
| Suisun City to Cologno al Serio | 5,915.38 mi (9,519.88 km) |
| Suisun City to Cologno Monzese | 5,906.39 mi (9,505.42 km) |
| Suisun City to Colorno | 5,971.24 mi (9,609.78 km) |
| Suisun City to Comacchio | 6,034.96 mi (9,712.33 km) |
| Suisun City to Comiso | 6,551.14 mi (10,543.04 km) |
| Suisun City to Como | 5,885.22 mi (9,471.34 km) |
| Suisun City to Concordia Sagittaria | 5,992.12 mi (9,643.38 km) |
| Suisun City to Concorezzo | 5,904.64 mi (9,502.60 km) |
| Suisun City to Conegliano | 5,970.34 mi (9,608.33 km) |
| Suisun City to Conselice | 6,035.67 mi (9,713.48 km) |
| Suisun City to Conselve | 5,995.82 mi (9,649.33 km) |
| Suisun City to Conversano | 6,386.84 mi (10,278.62 km) |
| Suisun City to Copertino | 6,453.40 mi (10,385.74 km) |
| Suisun City to Copparo | 6,013.86 mi (9,678.37 km) |
