| Webster Groves to Redondela | 4,133.13 mi (6,651.63 km) |
| Webster Groves to Reinosa | 4,312.32 mi (6,940.00 km) |
| Webster Groves to Requena | 4,569.97 mi (7,354.65 km) |
| Webster Groves to Reus | 4,609.04 mi (7,417.53 km) |
| Webster Groves to Rianxo | 4,112.74 mi (6,618.82 km) |
| Webster Groves to Ribadeo | 4,165.83 mi (6,704.26 km) |
| Webster Groves to Rincon de la Victoria | 4,520.73 mi (7,275.41 km) |
| Webster Groves to Ripoll | 4,618.41 mi (7,432.62 km) |
| Webster Groves to Ripollet | 4,642.75 mi (7,471.78 km) |
| Webster Groves to Rojales | 4,637.94 mi (7,464.04 km) |
| Webster Groves to Ronda | 4,478.07 mi (7,206.76 km) |
| Webster Groves to Roquetas de Mar | 4,597.96 mi (7,399.71 km) |
| Webster Groves to Rosas | 4,658.80 mi (7,497.62 km) |
| Webster Groves to Rubi | 4,637.40 mi (7,463.18 km) |
| Webster Groves to Rute | 4,495.53 mi (7,234.86 km) |
