| Foster City to Castelletto sopra Ticino | 5,925.36 mi (9,535.94 km) |
| Foster City to Castelli Calepio | 5,966.37 mi (9,601.94 km) |
| Foster City to Castelnovo ne' Monti | 6,047.85 mi (9,733.08 km) |
| Foster City to Castelnuovo Berardenga | 6,140.86 mi (9,882.76 km) |
| Foster City to Castelnuovo di Porto | 6,238.60 mi (10,040.05 km) |
| Foster City to Castelnuovo di Verona | 6,002.10 mi (9,659.45 km) |
| Foster City to Castelnuovo Rangone | 6,056.56 mi (9,747.09 km) |
| Foster City to Castelvetrano | 6,501.65 mi (10,463.40 km) |
| Foster City to Castelvetro di Modena | 6,059.85 mi (9,752.39 km) |
| Foster City to Castenaso | 6,074.07 mi (9,775.28 km) |
| Foster City to Castenedolo | 5,986.74 mi (9,634.73 km) |
| Foster City to Castiglion Fiorentino | 6,152.94 mi (9,902.21 km) |
| Foster City to Castiglione del Lago | 6,168.30 mi (9,926.93 km) |
| Foster City to Castiglione delle Stiviere | 5,996.45 mi (9,650.35 km) |
| Foster City to Castrolibero | 6,507.30 mi (10,472.48 km) |
