| Barrhead to Racale | 1,497.58 mi (2,410.12 km) |
| Barrhead to Racconigi | 927.36 mi (1,492.44 km) |
| Barrhead to Raffadali | 1,519.58 mi (2,445.52 km) |
| Barrhead to Ragusa | 1,579.70 mi (2,542.28 km) |
| Barrhead to Ramacca | 1,551.08 mi (2,496.21 km) |
| Barrhead to Randazzo | 1,527.59 mi (2,458.43 km) |
| Barrhead to Rapallo | 991.67 mi (1,595.94 km) |
| Barrhead to Ravanusa | 1,539.07 mi (2,476.90 km) |
| Barrhead to Ravenna | 1,071.26 mi (1,724.02 km) |
| Barrhead to Recanati | 1,167.66 mi (1,879.17 km) |
| Barrhead to Recco | 988.50 mi (1,590.84 km) |
| Barrhead to Reggello | 1,093.04 mi (1,759.08 km) |
| Barrhead to Reggio di Calabria | 1,532.93 mi (2,467.02 km) |
| Barrhead to Reggio Emilia | 1,009.91 mi (1,625.30 km) |
| Barrhead to Reggiolo | 1,002.99 mi (1,614.15 km) |
