| Mercer Island to Rheinbach | 5,011.34 mi (8,064.98 km) |
| Mercer Island to Rheinberg | 4,950.32 mi (7,966.78 km) |
| Mercer Island to Rheine | 4,927.41 mi (7,929.90 km) |
| Mercer Island to Rheinfelden (Baden) | 5,210.46 mi (8,385.43 km) |
| Mercer Island to Ribnitz-Damgarten | 4,921.79 mi (7,920.86 km) |
| Mercer Island to Richterich | 4,979.80 mi (8,014.22 km) |
| Mercer Island to Riedlingen | 5,216.66 mi (8,395.40 km) |
| Mercer Island to Riegelsberg | 5,088.51 mi (8,189.17 km) |
| Mercer Island to Rielasingen-Worblingen | 5,226.13 mi (8,410.64 km) |
| Mercer Island to Riesa | 5,115.19 mi (8,232.10 km) |
| Mercer Island to Rietberg | 4,978.53 mi (8,012.17 km) |
| Mercer Island to Rinteln | 4,970.50 mi (7,999.25 km) |
| Mercer Island to Ritterhude | 4,905.17 mi (7,894.11 km) |
| Mercer Island to Rodenbach | 5,088.89 mi (8,189.78 km) |
| Mercer Island to Rodental | 5,127.72 mi (8,252.27 km) |
