| Greenock to River Ridge (Louisiana) | 4,360.81 mi (7,018.05 km) |
| Greenock to Riverbank (California) | 4,963.96 mi (7,988.71 km) |
| Greenock to Riverdale (Georgia) | 3,951.06 mi (6,358.61 km) |
| Greenock to Riverdale (Illinois) | 3,658.57 mi (5,887.90 km) |
| Greenock to Riverside (California) | 5,079.10 mi (8,174.02 km) |
| Greenock to Riverside (Ohio) | 3,622.98 mi (5,830.62 km) |
| Greenock to Riverton (Utah) | 4,535.43 mi (7,299.07 km) |
| Greenock to Riverton (Wyoming) | 4,286.13 mi (6,897.87 km) |
| Greenock to Riverview (Florida) | 4,174.89 mi (6,718.84 km) |
| Greenock to Riverview (Michigan) | 3,471.69 mi (5,587.14 km) |
| Greenock to Riviera Beach (Florida) | 4,145.15 mi (6,670.97 km) |
| Greenock to Riviera Beach (Maryland) | 3,369.47 mi (5,422.63 km) |
| Greenock to Roanoke (Virginia) | 3,592.64 mi (5,781.80 km) |
| Greenock to Roanoke Rapids (North Carolina) | 3,546.92 mi (5,708.22 km) |
| Greenock to Robbinsdale (Minnesota) | 3,690.55 mi (5,939.37 km) |
