| Castle Rock to Redon | 4,786.88 mi (7,703.74 km) |
| Castle Rock to Reims | 4,939.78 mi (7,949.81 km) |
| Castle Rock to Rennes | 4,783.04 mi (7,697.55 km) |
| Castle Rock to Revel | 5,121.08 mi (8,241.58 km) |
| Castle Rock to Reze | 4,825.14 mi (7,765.31 km) |
| Castle Rock to Riedisheim | 5,123.62 mi (8,245.67 km) |
| Castle Rock to Rillieux-la-Pape | 5,124.05 mi (8,246.36 km) |
| Castle Rock to Riom | 5,055.32 mi (8,135.75 km) |
| Castle Rock to Riorges | 5,082.80 mi (8,179.97 km) |
| Castle Rock to Ris-Orangis | 4,909.36 mi (7,900.85 km) |
| Castle Rock to Rive-de-Gier | 5,126.96 mi (8,251.04 km) |
| Castle Rock to Rivesaltes | 5,185.32 mi (8,344.96 km) |
| Castle Rock to Rixheim | 5,124.90 mi (8,247.73 km) |
| Castle Rock to Roanne | 5,084.11 mi (8,182.08 km) |
| Castle Rock to Roche-la-Moliere | 5,120.48 mi (8,240.62 km) |
