| Barrhead to Rosolini | 1,592.04 mi (2,562.15 km) |
| Barrhead to Rossano | 1,476.09 mi (2,375.53 km) |
| Barrhead to Rottofreno | 959.30 mi (1,543.85 km) |
| Barrhead to Rovato | 943.23 mi (1,517.98 km) |
| Barrhead to Roverbella | 982.07 mi (1,580.49 km) |
| Barrhead to Rovereto | 956.76 mi (1,539.75 km) |
| Barrhead to Rovigo | 1,022.61 mi (1,645.73 km) |
| Barrhead to Rozzano | 929.78 mi (1,496.34 km) |
| Barrhead to Rubano | 1,003.16 mi (1,614.43 km) |
| Barrhead to Rubiera | 1,016.99 mi (1,636.69 km) |
| Barrhead to Ruffano | 1,501.28 mi (2,416.08 km) |
| Barrhead to Russi | 1,068.48 mi (1,719.56 km) |
| Barrhead to Rutigliano | 1,406.52 mi (2,263.57 km) |
| Barrhead to Ruvo di Puglia | 1,383.52 mi (2,226.57 km) |
| Barrhead to Sabaudia | 1,272.40 mi (2,047.74 km) |
