| Louth to Redondela | 862.27 mi (1,387.70 km) |
| Louth to Reinosa | 740.69 mi (1,192.03 km) |
| Louth to Requena | 960.46 mi (1,545.71 km) |
| Louth to Reus | 845.36 mi (1,360.47 km) |
| Louth to Rianxo | 843.62 mi (1,357.68 km) |
| Louth to Ribadeo | 751.14 mi (1,208.85 km) |
| Louth to Rincon de la Victoria | 1,168.68 mi (1,880.81 km) |
| Louth to Ripoll | 778.09 mi (1,252.22 km) |
| Louth to Ripollet | 826.25 mi (1,329.72 km) |
| Louth to Rojales | 1,056.18 mi (1,699.76 km) |
| Louth to Ronda | 1,175.50 mi (1,891.78 km) |
| Louth to Roquetas de Mar | 1,153.98 mi (1,857.15 km) |
| Louth to Rosas | 781.05 mi (1,256.97 km) |
| Louth to Rubi | 825.81 mi (1,329.01 km) |
| Louth to Rute | 1,128.46 mi (1,816.09 km) |
