| Castaic to Roeselare | 5,557.00 mi (8,943.13 km) |
| Castaic to Ronse | 5,581.23 mi (8,982.13 km) |
| Castaic to Rotselaar | 5,605.33 mi (9,020.91 km) |
| Castaic to Rumst | 5,589.87 mi (8,996.02 km) |
| Castaic to Saint-Ghislain | 5,602.63 mi (9,016.56 km) |
| Castaic to Saint-Nicolas | 5,646.06 mi (9,086.46 km) |
| Castaic to Saint-Vith | 5,681.76 mi (9,143.91 km) |
| Castaic to Scherpenheuvel | 5,610.33 mi (9,028.95 km) |
| Castaic to Schilde | 5,587.00 mi (8,991.41 km) |
| Castaic to Schoten | 5,584.16 mi (8,986.84 km) |
| Castaic to Seneffe | 5,611.91 mi (9,031.49 km) |
| Castaic to Seraing | 5,647.56 mi (9,088.86 km) |
| Castaic to Sint-Amandsberg | 5,570.95 mi (8,965.58 km) |
| Castaic to Sint-Andries | 5,546.45 mi (8,926.14 km) |
| Castaic to Sint-Genesius-Rode | 5,604.42 mi (9,019.45 km) |
