| Key Largo to Redondela | 4,168.85 mi (6,709.11 km) |
| Key Largo to Reinosa | 4,385.35 mi (7,057.54 km) |
| Key Largo to Requena | 4,591.10 mi (7,388.66 km) |
| Key Largo to Reus | 4,675.65 mi (7,524.73 km) |
| Key Largo to Rianxo | 4,155.22 mi (6,687.17 km) |
| Key Largo to Ribadeo | 4,235.27 mi (6,816.00 km) |
| Key Largo to Rincon de la Victoria | 4,468.31 mi (7,191.05 km) |
| Key Largo to Ripoll | 4,711.40 mi (7,582.27 km) |
| Key Largo to Ripollet | 4,722.25 mi (7,599.73 km) |
| Key Largo to Rojales | 4,634.74 mi (7,458.89 km) |
| Key Largo to Ronda | 4,420.47 mi (7,114.06 km) |
| Key Largo to Roquetas de Mar | 4,557.21 mi (7,334.12 km) |
| Key Largo to Rosas | 4,758.95 mi (7,658.78 km) |
| Key Largo to Rubi | 4,716.07 mi (7,589.78 km) |
| Key Largo to Rute | 4,454.29 mi (7,168.48 km) |
