| Caister-on-Sea to Rosolini | 1,267.37 mi (2,039.64 km) |
| Caister-on-Sea to Rossano | 1,147.09 mi (1,846.06 km) |
| Caister-on-Sea to Rottofreno | 632.83 mi (1,018.44 km) |
| Caister-on-Sea to Rovato | 615.06 mi (989.85 km) |
| Caister-on-Sea to Roverbella | 653.39 mi (1,051.53 km) |
| Caister-on-Sea to Rovereto | 627.57 mi (1,009.98 km) |
| Caister-on-Sea to Rovigo | 693.45 mi (1,116.00 km) |
| Caister-on-Sea to Rozzano | 603.55 mi (971.31 km) |
| Caister-on-Sea to Rubano | 673.96 mi (1,084.63 km) |
| Caister-on-Sea to Rubiera | 689.00 mi (1,108.83 km) |
| Caister-on-Sea to Ruffano | 1,172.26 mi (1,886.57 km) |
| Caister-on-Sea to Russi | 739.54 mi (1,190.18 km) |
| Caister-on-Sea to Rutigliano | 1,077.37 mi (1,733.86 km) |
| Caister-on-Sea to Ruvo di Puglia | 1,054.34 mi (1,696.80 km) |
| Caister-on-Sea to Sabaudia | 945.45 mi (1,521.55 km) |
