| Webster Groves to Rende | 5,327.21 mi (8,573.31 km) |
| Webster Groves to Resana | 4,889.62 mi (7,869.08 km) |
| Webster Groves to Rescaldina | 4,771.78 mi (7,679.43 km) |
| Webster Groves to Rezzato | 4,830.15 mi (7,773.37 km) |
| Webster Groves to Rho | 4,778.35 mi (7,690.02 km) |
| Webster Groves to Ribera | 5,284.80 mi (8,505.06 km) |
| Webster Groves to Riccione Marina | 4,984.24 mi (8,021.36 km) |
| Webster Groves to Riesi | 5,329.15 mi (8,576.44 km) |
| Webster Groves to Rieti | 5,059.06 mi (8,141.77 km) |
| Webster Groves to Rignano Flaminio | 5,052.43 mi (8,131.11 km) |
| Webster Groves to Rignano sull'Arno | 4,947.62 mi (7,962.43 km) |
| Webster Groves to Rimini | 4,978.53 mi (8,012.18 km) |
| Webster Groves to Rionero in Vulture | 5,236.59 mi (8,427.47 km) |
| Webster Groves to Riposto | 5,356.82 mi (8,620.98 km) |
| Webster Groves to Riva del Garda | 4,836.47 mi (7,783.54 km) |
