| Greenock to Hicksville (New York) | 3,178.43 mi (5,115.19 km) |
| Greenock to Hidalgo (Texas) | 4,869.86 mi (7,837.28 km) |
| Greenock to High Point (North Carolina) | 3,659.00 mi (5,888.59 km) |
| Greenock to Highland (California) | 5,061.92 mi (8,146.37 km) |
| Greenock to Highland (Illinois) | 3,877.72 mi (6,240.59 km) |
| Greenock to Highland (Indiana) | 3,656.93 mi (5,885.26 km) |
| Greenock to Highland (Utah) | 4,535.28 mi (7,298.83 km) |
| Greenock to Highland City (Florida) | 4,151.04 mi (6,680.46 km) |
| Greenock to Highland Park (Illinois) | 3,638.16 mi (5,855.06 km) |
| Greenock to Highland Park (New Jersey) | 3,225.27 mi (5,190.57 km) |
| Greenock to Highland Springs (Virginia) | 3,479.36 mi (5,599.49 km) |
| Greenock to Highland Village (Texas) | 4,443.18 mi (7,150.60 km) |
| Greenock to Highlands Ranch (Colorado) | 4,366.22 mi (7,026.76 km) |
| Greenock to Hillcrest (California) | 5,042.75 mi (8,115.52 km) |
| Greenock to Hillcrest Heights (Maryland) | 3,401.99 mi (5,474.97 km) |
