| Clayton to Rosolini | 1,419.71 mi (2,284.80 km) |
| Clayton to Rossano | 1,307.20 mi (2,103.73 km) |
| Clayton to Rottofreno | 788.09 mi (1,268.31 km) |
| Clayton to Rovato | 773.35 mi (1,244.58 km) |
| Clayton to Roverbella | 812.87 mi (1,308.19 km) |
| Clayton to Rovereto | 789.29 mi (1,270.24 km) |
| Clayton to Rovigo | 854.77 mi (1,375.62 km) |
| Clayton to Rozzano | 758.49 mi (1,220.66 km) |
| Clayton to Rubano | 836.04 mi (1,345.48 km) |
| Clayton to Rubiera | 846.84 mi (1,362.86 km) |
| Clayton to Ruffano | 1,335.13 mi (2,148.69 km) |
| Clayton to Russi | 899.74 mi (1,448.00 km) |
| Clayton to Rutigliano | 1,239.75 mi (1,995.18 km) |
| Clayton to Ruvo di Puglia | 1,216.41 mi (1,957.62 km) |
| Clayton to Sabaudia | 1,101.19 mi (1,772.20 km) |
