| Petaluma to Cadiz | 5,867.20 mi (9,442.34 km) |
| Petaluma to Calafell | 5,918.83 mi (9,525.44 km) |
| Petaluma to Calahorra | 5,740.77 mi (9,238.87 km) |
| Petaluma to Calasparra | 5,957.04 mi (9,586.94 km) |
| Petaluma to Calatayud | 5,800.62 mi (9,335.20 km) |
| Petaluma to Caldas de Montbuy | 5,916.23 mi (9,521.25 km) |
| Petaluma to Caldas de Reyes | 5,485.92 mi (8,828.74 km) |
| Petaluma to Calella | 5,933.61 mi (9,549.22 km) |
| Petaluma to Callosa de Segura | 5,992.52 mi (9,644.03 km) |
| Petaluma to Calpe | 5,998.88 mi (9,654.27 km) |
| Petaluma to Calvia | 6,036.83 mi (9,715.33 km) |
| Petaluma to Camas | 5,835.08 mi (9,390.66 km) |
| Petaluma to Cambados | 5,484.76 mi (8,826.87 km) |
| Petaluma to Cambre | 5,465.05 mi (8,795.14 km) |
| Petaluma to Cambrils | 5,908.36 mi (9,508.59 km) |
