| Detroit to Rheinbach | 4,050.25 mi (6,518.25 km) |
| Detroit to Rheinberg | 4,005.77 mi (6,446.67 km) |
| Detroit to Rheine | 4,011.66 mi (6,456.14 km) |
| Detroit to Rheinfelden (Baden) | 4,192.53 mi (6,747.23 km) |
| Detroit to Ribnitz-Damgarten | 4,121.82 mi (6,633.44 km) |
| Detroit to Richterich | 4,010.54 mi (6,454.35 km) |
| Detroit to Riedlingen | 4,236.31 mi (6,817.68 km) |
| Detroit to Riegelsberg | 4,096.65 mi (6,592.92 km) |
| Detroit to Rielasingen-Worblingen | 4,227.34 mi (6,803.25 km) |
| Detroit to Riesa | 4,260.32 mi (6,856.32 km) |
| Detroit to Rietberg | 4,065.15 mi (6,542.22 km) |
| Detroit to Rinteln | 4,075.24 mi (6,558.47 km) |
| Detroit to Ritterhude | 4,028.95 mi (6,483.97 km) |
| Detroit to Rodenbach | 4,146.17 mi (6,672.61 km) |
| Detroit to Rodental | 4,217.43 mi (6,787.30 km) |
