| Aiken to Redondela | 3,909.11 mi (6,291.11 km) |
| Aiken to Reinosa | 4,110.06 mi (6,614.49 km) |
| Aiken to Requena | 4,343.74 mi (6,990.57 km) |
| Aiken to Reus | 4,406.88 mi (7,092.19 km) |
| Aiken to Rianxo | 3,891.97 mi (6,263.53 km) |
| Aiken to Ribadeo | 3,959.86 mi (6,372.78 km) |
| Aiken to Rincon de la Victoria | 4,256.66 mi (6,850.43 km) |
| Aiken to Ripoll | 4,430.27 mi (7,129.84 km) |
| Aiken to Ripollet | 4,447.75 mi (7,157.96 km) |
| Aiken to Rojales | 4,400.03 mi (7,081.17 km) |
| Aiken to Ronda | 4,210.91 mi (6,776.81 km) |
| Aiken to Roquetas de Mar | 4,340.62 mi (6,985.56 km) |
| Aiken to Rosas | 4,474.91 mi (7,201.67 km) |
| Aiken to Rubi | 4,441.91 mi (7,148.56 km) |
| Aiken to Rute | 4,236.75 mi (6,818.39 km) |
