| Greenford to Redondela | 747.58 mi (1,203.11 km) |
| Greenford to Reinosa | 615.21 mi (990.08 km) |
| Greenford to Requena | 832.93 mi (1,340.47 km) |
| Greenford to Reus | 720.17 mi (1,159.00 km) |
| Greenford to Rianxo | 730.44 mi (1,175.52 km) |
| Greenford to Ribadeo | 633.96 mi (1,020.26 km) |
| Greenford to Rincon de la Victoria | 1,041.54 mi (1,676.19 km) |
| Greenford to Ripoll | 655.51 mi (1,054.95 km) |
| Greenford to Ripollet | 703.27 mi (1,131.80 km) |
| Greenford to Rojales | 928.88 mi (1,494.89 km) |
| Greenford to Ronda | 1,049.02 mi (1,688.23 km) |
| Greenford to Roquetas de Mar | 1,026.25 mi (1,651.58 km) |
| Greenford to Rosas | 661.32 mi (1,064.29 km) |
| Greenford to Rubi | 702.54 mi (1,130.63 km) |
| Greenford to Rute | 1,001.46 mi (1,611.69 km) |
