| Redwood City to Castelfidardo | 6,193.87 mi (9,968.08 km) |
| Redwood City to Castelfiorentino | 6,113.00 mi (9,837.92 km) |
| Redwood City to Castelfranco di Sopra | 6,128.71 mi (9,863.20 km) |
| Redwood City to Castelfranco di Sotto | 6,101.09 mi (9,818.76 km) |
| Redwood City to Castelfranco Emilia | 6,059.29 mi (9,751.48 km) |
| Redwood City to Castelfranco Veneto | 6,023.38 mi (9,693.70 km) |
| Redwood City to Castellabate | 6,417.72 mi (10,328.33 km) |
| Redwood City to Castellammare del Golfo | 6,486.50 mi (10,439.01 km) |
| Redwood City to Castellammare di Stabia | 6,380.12 mi (10,267.81 km) |
| Redwood City to Castellamonte | 5,918.67 mi (9,525.18 km) |
| Redwood City to Castellana Grotte | 6,443.69 mi (10,370.12 km) |
| Redwood City to Castellaneta | 6,452.13 mi (10,383.70 km) |
| Redwood City to Castellanza | 5,940.53 mi (9,560.36 km) |
| Redwood City to Castellarano | 6,053.30 mi (9,741.84 km) |
| Redwood City to Castelleone | 5,983.18 mi (9,628.99 km) |
