| Frederick to Rhondda | 3,519.70 mi (5,664.40 km) |
| Frederick to Rhosllanerchrugog | 3,506.93 mi (5,643.86 km) |
| Frederick to Rhyl | 3,484.01 mi (5,606.97 km) |
| Frederick to Rhymney | 3,522.31 mi (5,668.61 km) |
| Frederick to Richmond | 3,650.44 mi (5,874.82 km) |
| Frederick to Rickmansworth | 3,639.64 mi (5,857.43 km) |
| Frederick to Ripley | 3,571.62 mi (5,747.97 km) |
| Frederick to Ripon | 3,545.32 mi (5,705.64 km) |
| Frederick to Risca | 3,533.24 mi (5,686.20 km) |
| Frederick to Rochdale | 3,530.60 mi (5,681.95 km) |
| Frederick to Rochester | 3,684.86 mi (5,930.20 km) |
| Frederick to Rock Ferry | 3,501.77 mi (5,635.55 km) |
| Frederick to Rogerstone | 3,535.13 mi (5,689.24 km) |
| Frederick to Romford | 3,667.22 mi (5,901.82 km) |
| Frederick to Romsey | 3,611.96 mi (5,812.89 km) |
