| Castle Pines to Redon | 4,783.28 mi (7,697.95 km) |
| Castle Pines to Reims | 4,935.86 mi (7,943.49 km) |
| Castle Pines to Rennes | 4,779.39 mi (7,691.69 km) |
| Castle Pines to Revel | 5,117.62 mi (8,236.01 km) |
| Castle Pines to Reze | 4,821.55 mi (7,759.54 km) |
| Castle Pines to Riedisheim | 5,119.67 mi (8,239.31 km) |
| Castle Pines to Rillieux-la-Pape | 5,120.32 mi (8,240.35 km) |
| Castle Pines to Riom | 5,051.65 mi (8,129.85 km) |
| Castle Pines to Riorges | 5,079.08 mi (8,173.99 km) |
| Castle Pines to Ris-Orangis | 4,905.53 mi (7,894.69 km) |
| Castle Pines to Rive-de-Gier | 5,123.25 mi (8,245.08 km) |
| Castle Pines to Rivesaltes | 5,181.87 mi (8,339.41 km) |
| Castle Pines to Rixheim | 5,120.95 mi (8,241.37 km) |
| Castle Pines to Roanne | 5,080.39 mi (8,176.10 km) |
| Castle Pines to Roche-la-Moliere | 5,116.80 mi (8,234.69 km) |
