| Holyhead to Redondela | 783.60 mi (1,261.09 km) |
| Holyhead to Reinosa | 712.51 mi (1,146.68 km) |
| Holyhead to Requena | 969.47 mi (1,560.21 km) |
| Holyhead to Reus | 881.20 mi (1,418.15 km) |
| Holyhead to Rianxo | 761.12 mi (1,224.91 km) |
| Holyhead to Ribadeo | 684.27 mi (1,101.23 km) |
| Holyhead to Rincon de la Victoria | 1,146.54 mi (1,845.18 km) |
| Holyhead to Ripoll | 829.43 mi (1,334.84 km) |
| Holyhead to Ripollet | 874.77 mi (1,407.81 km) |
| Holyhead to Rojales | 1,068.00 mi (1,718.79 km) |
| Holyhead to Ronda | 1,145.29 mi (1,843.16 km) |
| Holyhead to Roquetas de Mar | 1,147.26 mi (1,846.33 km) |
| Holyhead to Rosas | 843.70 mi (1,357.81 km) |
| Holyhead to Rubi | 872.94 mi (1,404.86 km) |
| Holyhead to Rute | 1,105.03 mi (1,778.38 km) |
