| Greenock to Rosolini | 1,609.50 mi (2,590.24 km) |
| Greenock to Rossano | 1,493.86 mi (2,404.13 km) |
| Greenock to Rottofreno | 976.91 mi (1,572.18 km) |
| Greenock to Rovato | 960.93 mi (1,546.47 km) |
| Greenock to Roverbella | 999.82 mi (1,609.05 km) |
| Greenock to Rovereto | 974.56 mi (1,568.40 km) |
| Greenock to Rovigo | 1,040.40 mi (1,674.37 km) |
| Greenock to Rozzano | 947.38 mi (1,524.66 km) |
| Greenock to Rubano | 1,020.97 mi (1,643.09 km) |
| Greenock to Rubiera | 1,034.69 mi (1,665.17 km) |
| Greenock to Ruffano | 1,519.12 mi (2,444.78 km) |
| Greenock to Russi | 1,086.25 mi (1,748.15 km) |
| Greenock to Rutigliano | 1,424.34 mi (2,292.26 km) |
| Greenock to Ruvo di Puglia | 1,401.34 mi (2,255.24 km) |
| Greenock to Sabaudia | 1,290.02 mi (2,076.08 km) |
