| Castle Rock to Prokuplje | 5,821.68 mi (9,369.09 km) |
| Castle Rock to Raca | 5,749.05 mi (9,252.20 km) |
| Castle Rock to Raska | 5,787.98 mi (9,314.85 km) |
| Castle Rock to Razanj | 5,797.21 mi (9,329.71 km) |
| Castle Rock to Rekovac | 5,773.41 mi (9,291.40 km) |
| Castle Rock to Ruma | 5,672.19 mi (9,128.51 km) |
| Castle Rock to Sabac | 5,680.74 mi (9,142.27 km) |
| Castle Rock to Secanj | 5,681.86 mi (9,144.07 km) |
| Castle Rock to Senta | 5,630.78 mi (9,061.87 km) |
| Castle Rock to Sid | 5,647.16 mi (9,088.22 km) |
| Castle Rock to Sjenica | 5,769.50 mi (9,285.11 km) |
| Castle Rock to Smederevo | 5,724.32 mi (9,212.40 km) |
| Castle Rock to Smederevska Palanka | 5,741.19 mi (9,239.56 km) |
| Castle Rock to Sokobanja | 5,808.00 mi (9,347.07 km) |
| Castle Rock to Sombor | 5,608.41 mi (9,025.86 km) |
