| Paducah to Redondela | 4,109.88 mi (6,614.21 km) |
| Paducah to Reinosa | 4,294.89 mi (6,911.96 km) |
| Paducah to Requena | 4,547.20 mi (7,318.01 km) |
| Paducah to Reus | 4,592.34 mi (7,390.65 km) |
| Paducah to Rianxo | 4,090.25 mi (6,582.62 km) |
| Paducah to Ribadeo | 4,147.13 mi (6,674.16 km) |
| Paducah to Rincon de la Victoria | 4,488.34 mi (7,223.28 km) |
| Paducah to Ripoll | 4,605.19 mi (7,411.33 km) |
| Paducah to Ripollet | 4,627.89 mi (7,447.87 km) |
| Paducah to Rojales | 4,612.40 mi (7,422.94 km) |
| Paducah to Ronda | 4,444.81 mi (7,153.23 km) |
| Paducah to Roquetas de Mar | 4,567.44 mi (7,350.59 km) |
| Paducah to Rosas | 4,646.71 mi (7,478.16 km) |
| Paducah to Rubi | 4,622.41 mi (7,439.05 km) |
| Paducah to Rute | 4,464.43 mi (7,184.80 km) |
