| Petaluma to Cocentaina | 5,976.35 mi (9,618.01 km) |
| Petaluma to Coin | 5,920.93 mi (9,528.81 km) |
| Petaluma to Colindres | 5,634.15 mi (9,067.29 km) |
| Petaluma to Collado-Villalba | 5,751.73 mi (9,256.51 km) |
| Petaluma to Colmenar Viejo | 5,759.27 mi (9,268.64 km) |
| Petaluma to Colmenarejo | 5,755.02 mi (9,261.81 km) |
| Petaluma to Conil de la Frontera | 5,888.74 mi (9,477.00 km) |
| Petaluma to Consuegra | 5,824.85 mi (9,374.19 km) |
| Petaluma to Corbera de Llobregat | 5,919.68 mi (9,526.80 km) |
| Petaluma to Cordoba | 5,859.44 mi (9,429.85 km) |
| Petaluma to Coria del Rio | 5,840.24 mi (9,398.96 km) |
| Petaluma to Crevillente | 5,988.61 mi (9,637.74 km) |
| Petaluma to Cuarte de Huerva | 5,813.74 mi (9,356.31 km) |
| Petaluma to Cubellas | 5,921.86 mi (9,530.31 km) |
| Petaluma to Cuellar | 5,702.56 mi (9,177.38 km) |
