| Petaluma to Castelletto sopra Ticino | 5,895.43 mi (9,487.77 km) |
| Petaluma to Castelli Calepio | 5,935.95 mi (9,552.99 km) |
| Petaluma to Castelnovo ne' Monti | 6,017.73 mi (9,684.61 km) |
| Petaluma to Castelnuovo Berardenga | 6,110.72 mi (9,834.26 km) |
| Petaluma to Castelnuovo di Porto | 6,208.52 mi (9,991.64 km) |
| Petaluma to Castelnuovo di Verona | 5,971.41 mi (9,610.06 km) |
| Petaluma to Castelnuovo Rangone | 6,026.17 mi (9,698.18 km) |
| Petaluma to Castelvetrano | 6,473.27 mi (10,417.71 km) |
| Petaluma to Castelvetro di Modena | 6,029.48 mi (9,703.50 km) |
| Petaluma to Castenaso | 6,043.47 mi (9,726.03 km) |
| Petaluma to Castenedolo | 5,956.23 mi (9,585.63 km) |
| Petaluma to Castiglion Fiorentino | 6,122.63 mi (9,853.41 km) |
| Petaluma to Castiglione del Lago | 6,138.01 mi (9,878.18 km) |
| Petaluma to Castiglione delle Stiviere | 5,965.88 mi (9,601.16 km) |
| Petaluma to Castrolibero | 6,476.61 mi (10,423.10 km) |
