| Fountain Valley to Castelletto sopra Ticino | 6,015.80 mi (9,681.50 km) |
| Fountain Valley to Castelli Calepio | 6,060.67 mi (9,753.70 km) |
| Fountain Valley to Castelnovo ne' Monti | 6,139.31 mi (9,880.27 km) |
| Fountain Valley to Castelnuovo Berardenga | 6,232.09 mi (10,029.59 km) |
| Fountain Valley to Castelnuovo di Porto | 6,328.92 mi (10,185.42 km) |
| Fountain Valley to Castelnuovo di Verona | 6,098.53 mi (9,814.64 km) |
| Fountain Valley to Castelnuovo Rangone | 6,150.27 mi (9,897.90 km) |
| Fountain Valley to Castelvetrano | 6,576.82 mi (10,584.37 km) |
| Fountain Valley to Castelvetro di Modena | 6,153.44 mi (9,903.00 km) |
| Fountain Valley to Castenaso | 6,169.47 mi (9,928.81 km) |
| Fountain Valley to Castenedolo | 6,081.75 mi (9,787.63 km) |
| Fountain Valley to Castiglion Fiorentino | 6,245.62 mi (10,051.35 km) |
| Fountain Valley to Castiglione del Lago | 6,260.68 mi (10,075.59 km) |
| Fountain Valley to Castiglione delle Stiviere | 6,091.87 mi (9,803.91 km) |
| Fountain Valley to Castrolibero | 6,601.54 mi (10,624.15 km) |
