| Greenock to Radauti | 1,408.27 mi (2,266.39 km) |
| Greenock to Ramnicu Sarat | 1,554.33 mi (2,501.45 km) |
| Greenock to Ramnicu Valcea | 1,467.03 mi (2,360.96 km) |
| Greenock to Rasnov | 1,485.23 mi (2,390.24 km) |
| Greenock to Reghin | 1,406.09 mi (2,262.88 km) |
| Greenock to Resita | 1,367.54 mi (2,200.84 km) |
| Greenock to Roman | 1,483.46 mi (2,387.39 km) |
| Greenock to Rosiori de Vede | 1,535.54 mi (2,471.21 km) |
| Greenock to Rovinari | 1,431.57 mi (2,303.89 km) |
| Greenock to Roznov | 1,471.51 mi (2,368.17 km) |
| Greenock to Sabaoani | 1,476.87 mi (2,376.79 km) |
| Greenock to Sacele | 1,493.33 mi (2,403.29 km) |
| Greenock to Sacueni | 1,284.14 mi (2,066.63 km) |
| Greenock to Salcea | 1,433.05 mi (2,306.28 km) |
| Greenock to Salonta | 1,291.45 mi (2,078.39 km) |
