| Key Largo to Roy (Utah) | 2,122.00 mi (3,415.03 km) |
| Key Largo to Royal Kunia (Hawaii) | 4,863.24 mi (7,826.63 km) |
| Key Largo to Royal Oak (Michigan) | 1,211.34 mi (1,949.46 km) |
| Key Largo to Royal Palm Beach (Florida) | 109.89 mi (176.84 km) |
| Key Largo to Royse City (Texas) | 1,101.47 mi (1,772.65 km) |
| Key Largo to Ruskin (Florida) | 217.55 mi (350.11 km) |
| Key Largo to Russellville (Alabama) | 782.15 mi (1,258.75 km) |
| Key Largo to Russellville (Arkansas) | 1,032.51 mi (1,661.66 km) |
| Key Largo to Ruston (Louisiana) | 898.74 mi (1,446.38 km) |
| Key Largo to Rutherford (New Jersey) | 1,143.72 mi (1,840.63 km) |
| Key Largo to Rutland (Vermont) | 1,344.41 mi (2,163.61 km) |
| Key Largo to Sabana Grande (Puerto Rico) | 990.44 mi (1,593.96 km) |
| Key Largo to Sachse (Texas) | 1,115.10 mi (1,794.59 km) |
| Key Largo to Saco (Maine) | 1,390.86 mi (2,238.37 km) |
| Key Largo to Sacramento (California) | 2,557.40 mi (4,115.74 km) |
