| Oklahoma City to Rheinbach | 4,930.75 mi (7,935.27 km) |
| Oklahoma City to Rheinberg | 4,883.33 mi (7,858.96 km) |
| Oklahoma City to Rheine | 4,885.00 mi (7,861.65 km) |
| Oklahoma City to Rheinfelden (Baden) | 5,081.94 mi (8,178.60 km) |
| Oklahoma City to Ribnitz-Damgarten | 4,977.63 mi (8,010.72 km) |
| Oklahoma City to Richterich | 4,891.66 mi (7,872.36 km) |
| Oklahoma City to Riedlingen | 5,121.60 mi (8,242.42 km) |
| Oklahoma City to Riegelsberg | 4,981.82 mi (8,017.46 km) |
| Oklahoma City to Rielasingen-Worblingen | 5,114.83 mi (8,231.53 km) |
| Oklahoma City to Riesa | 5,127.75 mi (8,252.32 km) |
| Oklahoma City to Rietberg | 4,938.90 mi (7,948.39 km) |
| Oklahoma City to Rinteln | 4,946.35 mi (7,960.37 km) |
| Oklahoma City to Ritterhude | 4,896.31 mi (7,879.84 km) |
| Oklahoma City to Rodenbach | 5,025.32 mi (8,087.47 km) |
| Oklahoma City to Rodental | 5,092.84 mi (8,196.13 km) |
