| Rock Island to Redondela | 4,039.53 mi (6,501.00 km) |
| Rock Island to Reinosa | 4,210.96 mi (6,776.89 km) |
| Rock Island to Requena | 4,474.78 mi (7,201.47 km) |
| Rock Island to Reus | 4,506.17 mi (7,251.98 km) |
| Rock Island to Rianxo | 4,018.23 mi (6,466.72 km) |
| Rock Island to Ribadeo | 4,066.40 mi (6,544.25 km) |
| Rock Island to Rincon de la Victoria | 4,438.19 mi (7,142.58 km) |
| Rock Island to Ripoll | 4,511.27 mi (7,260.19 km) |
| Rock Island to Ripollet | 4,537.55 mi (7,302.47 km) |
| Rock Island to Rojales | 4,546.16 mi (7,316.34 km) |
| Rock Island to Ronda | 4,396.80 mi (7,075.96 km) |
| Rock Island to Roquetas de Mar | 4,512.77 mi (7,262.61 km) |
| Rock Island to Rosas | 4,550.21 mi (7,322.86 km) |
| Rock Island to Rubi | 4,532.38 mi (7,294.15 km) |
| Rock Island to Rute | 4,411.34 mi (7,099.37 km) |
