| Sonoma to Cadiz | 5,858.36 mi (9,428.13 km) |
| Sonoma to Calafell | 5,910.59 mi (9,512.18 km) |
| Sonoma to Calahorra | 5,732.42 mi (9,225.44 km) |
| Sonoma to Calasparra | 5,948.49 mi (9,573.17 km) |
| Sonoma to Calatayud | 5,792.24 mi (9,321.71 km) |
| Sonoma to Caldas de Montbuy | 5,908.04 mi (9,508.08 km) |
| Sonoma to Caldas de Reyes | 5,477.32 mi (8,814.89 km) |
| Sonoma to Calella | 5,925.45 mi (9,536.09 km) |
| Sonoma to Callosa de Segura | 5,984.00 mi (9,630.31 km) |
| Sonoma to Calpe | 5,990.43 mi (9,640.66 km) |
| Sonoma to Calvia | 6,028.54 mi (9,702.00 km) |
| Sonoma to Camas | 5,826.30 mi (9,376.53 km) |
| Sonoma to Cambados | 5,476.14 mi (8,813.00 km) |
| Sonoma to Cambre | 5,456.49 mi (8,781.37 km) |
| Sonoma to Cambrils | 5,900.09 mi (9,495.28 km) |
