| Wheat Ridge to Rheinbach | 4,964.17 mi (7,989.05 km) |
| Wheat Ridge to Rheinberg | 4,911.18 mi (7,903.78 km) |
| Wheat Ridge to Rheine | 4,904.40 mi (7,892.87 km) |
| Wheat Ridge to Rheinfelden (Baden) | 5,134.63 mi (8,263.38 km) |
| Wheat Ridge to Ribnitz-Damgarten | 4,964.92 mi (7,990.26 km) |
| Wheat Ridge to Richterich | 4,926.96 mi (7,929.17 km) |
| Wheat Ridge to Riedlingen | 5,163.46 mi (8,309.79 km) |
| Wheat Ridge to Riegelsberg | 5,025.17 mi (8,087.24 km) |
| Wheat Ridge to Rielasingen-Worblingen | 5,162.17 mi (8,307.70 km) |
| Wheat Ridge to Riesa | 5,132.67 mi (8,260.23 km) |
| Wheat Ridge to Rietberg | 4,958.35 mi (7,979.69 km) |
| Wheat Ridge to Rinteln | 4,960.60 mi (7,983.31 km) |
| Wheat Ridge to Ritterhude | 4,904.36 mi (7,892.80 km) |
| Wheat Ridge to Rodenbach | 5,054.60 mi (8,134.60 km) |
| Wheat Ridge to Rodental | 5,113.46 mi (8,229.32 km) |
