| Sammamish to Castelletto sopra Ticino | 5,332.87 mi (8,582.42 km) |
| Sammamish to Castelli Calepio | 5,369.52 mi (8,641.41 km) |
| Sammamish to Castelnovo ne' Monti | 5,453.29 mi (8,776.22 km) |
| Sammamish to Castelnuovo Berardenga | 5,545.78 mi (8,925.06 km) |
| Sammamish to Castelnuovo di Porto | 5,643.66 mi (9,082.59 km) |
| Sammamish to Castelnuovo di Verona | 5,402.78 mi (8,694.94 km) |
| Sammamish to Castelnuovo Rangone | 5,459.60 mi (8,786.37 km) |
| Sammamish to Castelvetrano | 5,920.47 mi (9,528.08 km) |
| Sammamish to Castelvetro di Modena | 5,463.00 mi (8,791.84 km) |
| Sammamish to Castenaso | 5,475.24 mi (8,811.55 km) |
| Sammamish to Castenedolo | 5,389.01 mi (8,672.78 km) |
| Sammamish to Castiglion Fiorentino | 5,556.28 mi (8,941.96 km) |
| Sammamish to Castiglione del Lago | 5,571.82 mi (8,966.97 km) |
| Sammamish to Castiglione delle Stiviere | 5,398.21 mi (8,687.58 km) |
| Sammamish to Castrolibero | 5,906.26 mi (9,505.21 km) |
