| Sammamish to Castelfidardo | 5,588.63 mi (8,994.03 km) |
| Sammamish to Castelfiorentino | 5,517.21 mi (8,879.09 km) |
| Sammamish to Castelfranco di Sopra | 5,530.54 mi (8,900.55 km) |
| Sammamish to Castelfranco di Sotto | 5,505.79 mi (8,860.72 km) |
| Sammamish to Castelfranco Emilia | 5,459.76 mi (8,786.63 km) |
| Sammamish to Castelfranco Veneto | 5,417.06 mi (8,717.92 km) |
| Sammamish to Castellabate | 5,816.90 mi (9,361.39 km) |
| Sammamish to Castellammare del Golfo | 5,901.95 mi (9,498.28 km) |
| Sammamish to Castellammare di Stabia | 5,779.92 mi (9,301.88 km) |
| Sammamish to Castellamonte | 5,328.96 mi (8,576.14 km) |
| Sammamish to Castellana Grotte | 5,832.23 mi (9,386.06 km) |
| Sammamish to Castellaneta | 5,842.29 mi (9,402.26 km) |
| Sammamish to Castellanza | 5,345.49 mi (8,602.74 km) |
| Sammamish to Castellarano | 5,454.88 mi (8,778.79 km) |
| Sammamish to Castelleone | 5,386.07 mi (8,668.04 km) |
