| Frederick to Rheinbach | 3,964.06 mi (6,379.54 km) |
| Frederick to Rheinberg | 3,924.77 mi (6,316.30 km) |
| Frederick to Rheine | 3,937.11 mi (6,336.17 km) |
| Frederick to Rheinfelden (Baden) | 4,089.03 mi (6,580.65 km) |
| Frederick to Ribnitz-Damgarten | 4,070.03 mi (6,550.09 km) |
| Frederick to Richterich | 3,923.65 mi (6,314.51 km) |
| Frederick to Riedlingen | 4,140.26 mi (6,663.11 km) |
| Frederick to Riegelsberg | 4,001.94 mi (6,440.50 km) |
| Frederick to Rielasingen-Worblingen | 4,127.30 mi (6,642.25 km) |
| Frederick to Riesa | 4,192.03 mi (6,746.43 km) |
| Frederick to Rietberg | 3,989.50 mi (6,420.48 km) |
| Frederick to Rinteln | 4,003.42 mi (6,442.89 km) |
| Frederick to Ritterhude | 3,962.92 mi (6,377.70 km) |
| Frederick to Rodenbach | 4,061.36 mi (6,536.12 km) |
| Frederick to Rodental | 4,137.93 mi (6,659.35 km) |
