| Alcala la Real to River Ridge (Louisiana) | 4,811.29 mi (7,743.03 km) |
| Alcala la Real to Riverbank (California) | 5,874.58 mi (9,454.23 km) |
| Alcala la Real to Riverdale (Georgia) | 4,390.79 mi (7,066.30 km) |
| Alcala la Real to Riverdale (Illinois) | 4,286.08 mi (6,897.78 km) |
| Alcala la Real to Riverside (California) | 5,912.95 mi (9,515.97 km) |
| Alcala la Real to Riverside (Ohio) | 4,178.06 mi (6,723.94 km) |
| Alcala la Real to Riverton (Utah) | 5,388.58 mi (8,672.08 km) |
| Alcala la Real to Riverton (Wyoming) | 5,137.02 mi (8,267.23 km) |
| Alcala la Real to Riverview (Florida) | 4,479.96 mi (7,209.79 km) |
| Alcala la Real to Riverview (Michigan) | 4,064.21 mi (6,540.71 km) |
| Alcala la Real to Riviera Beach (Florida) | 4,399.11 mi (7,079.68 km) |
| Alcala la Real to Riviera Beach (Maryland) | 3,827.07 mi (6,159.08 km) |
| Alcala la Real to Roanoke (Virginia) | 4,050.40 mi (6,518.49 km) |
| Alcala la Real to Roanoke Rapids (North Carolina) | 3,959.61 mi (6,372.38 km) |
| Alcala la Real to Robbinsdale (Minnesota) | 4,432.94 mi (7,134.12 km) |
