| Greenock to Racale | 1,515.41 mi (2,438.82 km) |
| Greenock to Racconigi | 944.62 mi (1,520.22 km) |
| Greenock to Raffadali | 1,536.91 mi (2,473.41 km) |
| Greenock to Ragusa | 1,597.14 mi (2,570.35 km) |
| Greenock to Ramacca | 1,568.55 mi (2,524.34 km) |
| Greenock to Randazzo | 1,545.14 mi (2,486.66 km) |
| Greenock to Rapallo | 1,009.14 mi (1,624.06 km) |
| Greenock to Ravanusa | 1,556.45 mi (2,504.86 km) |
| Greenock to Ravenna | 1,089.04 mi (1,752.63 km) |
| Greenock to Recanati | 1,185.45 mi (1,907.80 km) |
| Greenock to Recco | 1,005.96 mi (1,618.94 km) |
| Greenock to Reggello | 1,110.72 mi (1,787.52 km) |
| Greenock to Reggio di Calabria | 1,550.56 mi (2,495.38 km) |
| Greenock to Reggio Emilia | 1,027.60 mi (1,653.76 km) |
| Greenock to Reggiolo | 1,020.71 mi (1,642.67 km) |
