| Isabela to Redondela | 3,763.92 mi (6,057.45 km) |
| Isabela to Reinosa | 3,995.31 mi (6,429.83 km) |
| Isabela to Requena | 4,143.85 mi (6,668.88 km) |
| Isabela to Reus | 4,259.96 mi (6,855.75 km) |
| Isabela to Rianxo | 3,757.00 mi (6,046.31 km) |
| Isabela to Ribadeo | 3,853.47 mi (6,201.56 km) |
| Isabela to Rincon de la Victoria | 3,970.07 mi (6,389.21 km) |
| Isabela to Ripoll | 4,315.15 mi (6,944.56 km) |
| Isabela to Ripollet | 4,314.10 mi (6,942.87 km) |
| Isabela to Rojales | 4,164.96 mi (6,702.86 km) |
| Isabela to Ronda | 3,921.28 mi (6,310.69 km) |
| Isabela to Roquetas de Mar | 4,062.45 mi (6,537.88 km) |
| Isabela to Rosas | 4,365.45 mi (7,025.52 km) |
| Isabela to Rubi | 4,307.64 mi (6,932.47 km) |
| Isabela to Rute | 3,965.89 mi (6,382.48 km) |
