| Barrhead to Redondela | 952.96 mi (1,533.64 km) |
| Barrhead to Reinosa | 884.40 mi (1,423.31 km) |
| Barrhead to Requena | 1,137.27 mi (1,830.25 km) |
| Barrhead to Reus | 1,041.99 mi (1,676.92 km) |
| Barrhead to Rianxo | 929.87 mi (1,496.48 km) |
| Barrhead to Ribadeo | 855.68 mi (1,377.09 km) |
| Barrhead to Rincon de la Victoria | 1,318.61 mi (2,122.09 km) |
| Barrhead to Ripoll | 984.77 mi (1,584.83 km) |
| Barrhead to Ripollet | 1,031.38 mi (1,659.85 km) |
| Barrhead to Rojales | 1,235.53 mi (1,988.39 km) |
| Barrhead to Ronda | 1,317.68 mi (2,120.60 km) |
| Barrhead to Roquetas de Mar | 1,317.93 mi (2,121.01 km) |
| Barrhead to Rosas | 994.73 mi (1,600.86 km) |
| Barrhead to Rubi | 1,030.03 mi (1,657.67 km) |
| Barrhead to Rute | 1,277.14 mi (2,055.36 km) |
