| Castaic to Zottegem | 5,581.68 mi (8,982.85 km) |
| Castaic to Zulte | 5,567.94 mi (8,960.74 km) |
| Castaic to Zwevegem | 5,570.55 mi (8,964.93 km) |
| Castaic to Zwijndrecht | 5,580.76 mi (8,981.36 km) |
| Castaic to Asenovgrad | 6,668.04 mi (10,731.18 km) |
| Castaic to Aytos | 6,684.98 mi (10,758.44 km) |
| Castaic to Balchik | 6,661.55 mi (10,720.74 km) |
| Castaic to Bankya | 6,582.73 mi (10,593.88 km) |
| Castaic to Bansko | 6,643.19 mi (10,691.18 km) |
| Castaic to Berkovitsa | 6,550.65 mi (10,542.26 km) |
| Castaic to Blagoevgrad | 6,622.40 mi (10,657.73 km) |
| Castaic to Botevgrad | 6,587.42 mi (10,601.43 km) |
| Castaic to Burgas | 6,702.24 mi (10,786.21 km) |
| Castaic to Byala Slatina | 6,557.58 mi (10,553.41 km) |
| Castaic to Chirpan | 6,668.54 mi (10,731.97 km) |
