| Greenock to University Place (Washington) | 4,455.21 mi (7,169.97 km) |
| Greenock to Upland (California) | 5,076.82 mi (8,170.36 km) |
| Greenock to Upper Arlington (Ohio) | 3,572.08 mi (5,748.71 km) |
| Greenock to Upper Grand Lagoon (Florida) | 4,180.63 mi (6,728.07 km) |
| Greenock to Upper Montclair (New Jersey) | 3,200.29 mi (5,150.37 km) |
| Greenock to Urbana (Illinois) | 3,755.45 mi (6,043.81 km) |
| Greenock to Urbana (Maryland) | 3,392.29 mi (5,459.37 km) |
| Greenock to Urbana (Ohio) | 3,593.29 mi (5,782.84 km) |
| Greenock to Urbandale (Iowa) | 3,876.34 mi (6,238.37 km) |
| Greenock to Utica (New York) | 3,133.09 mi (5,042.22 km) |
| Greenock to Uvalde (Texas) | 4,753.29 mi (7,649.67 km) |
| Greenock to Vacaville (California) | 4,956.14 mi (7,976.13 km) |
| Greenock to Vadnais Heights (Minnesota) | 3,680.22 mi (5,922.74 km) |
| Greenock to Vail (Arizona) | 4,974.59 mi (8,005.84 km) |
| Greenock to Valdosta (Georgia) | 4,050.78 mi (6,519.10 km) |
