| Seal Beach to Castelfidardo | 6,291.91 mi (10,125.85 km) |
| Seal Beach to Castelfiorentino | 6,202.76 mi (9,982.37 km) |
| Seal Beach to Castelfranco di Sopra | 6,220.54 mi (10,010.99 km) |
| Seal Beach to Castelfranco di Sotto | 6,190.48 mi (9,962.61 km) |
| Seal Beach to Castelfranco Emilia | 6,152.91 mi (9,902.16 km) |
| Seal Beach to Castelfranco Veneto | 6,123.69 mi (9,855.13 km) |
| Seal Beach to Castellabate | 6,509.90 mi (10,476.67 km) |
| Seal Beach to Castellammare del Golfo | 6,563.17 mi (10,562.41 km) |
| Seal Beach to Castellammare di Stabia | 6,471.99 mi (10,415.65 km) |
| Seal Beach to Castellamonte | 6,004.38 mi (9,663.11 km) |
| Seal Beach to Castellana Grotte | 6,545.99 mi (10,534.75 km) |
| Seal Beach to Castellaneta | 6,552.76 mi (10,545.65 km) |
| Seal Beach to Castellanza | 6,030.90 mi (9,705.80 km) |
| Seal Beach to Castellarano | 6,145.92 mi (9,890.91 km) |
| Seal Beach to Castelleone | 6,075.12 mi (9,776.96 km) |
