| Humacao to Rhondda | 4,064.96 mi (6,541.92 km) |
| Humacao to Rhosllanerchrugog | 4,097.64 mi (6,594.52 km) |
| Humacao to Rhyl | 4,084.32 mi (6,573.08 km) |
| Humacao to Rhymney | 4,072.38 mi (6,553.86 km) |
| Humacao to Richmond | 4,195.59 mi (6,752.15 km) |
| Humacao to Rickmansworth | 4,190.24 mi (6,743.54 km) |
| Humacao to Ripley | 4,165.42 mi (6,703.60 km) |
| Humacao to Ripon | 4,173.33 mi (6,716.32 km) |
| Humacao to Risca | 4,078.66 mi (6,563.96 km) |
| Humacao to Rochdale | 4,141.40 mi (6,664.93 km) |
| Humacao to Rochester | 4,229.14 mi (6,806.15 km) |
| Humacao to Rock Ferry | 4,104.12 mi (6,604.94 km) |
| Humacao to Rogerstone | 4,080.03 mi (6,566.17 km) |
| Humacao to Romford | 4,217.17 mi (6,786.89 km) |
| Humacao to Romsey | 4,139.93 mi (6,662.57 km) |
