| Potters Bar to Redondela | 761.18 mi (1,225.00 km) |
| Potters Bar to Reinosa | 628.47 mi (1,011.43 km) |
| Potters Bar to Requena | 844.91 mi (1,359.75 km) |
| Potters Bar to Reus | 731.02 mi (1,176.46 km) |
| Potters Bar to Rianxo | 744.01 mi (1,197.37 km) |
| Potters Bar to Ribadeo | 647.58 mi (1,042.18 km) |
| Potters Bar to Rincon de la Victoria | 1,054.41 mi (1,696.90 km) |
| Potters Bar to Ripoll | 665.56 mi (1,071.11 km) |
| Potters Bar to Ripollet | 713.43 mi (1,148.16 km) |
| Potters Bar to Rojales | 940.68 mi (1,513.88 km) |
| Potters Bar to Ronda | 1,062.08 mi (1,709.26 km) |
| Potters Bar to Roquetas de Mar | 1,038.67 mi (1,671.58 km) |
| Potters Bar to Rosas | 670.63 mi (1,079.27 km) |
| Potters Bar to Rubi | 712.79 mi (1,147.12 km) |
| Potters Bar to Rute | 1,014.38 mi (1,632.48 km) |
