| Greenock to Plattsburgh (New York) | 2,993.98 mi (4,818.34 km) |
| Greenock to Pleasant Grove (Utah) | 4,536.73 mi (7,301.16 km) |
| Greenock to Pleasant Hill (California) | 4,983.06 mi (8,019.45 km) |
| Greenock to Pleasant Hill (Iowa) | 3,869.04 mi (6,226.62 km) |
| Greenock to Pleasant Prairie (Wisconsin) | 3,624.01 mi (5,832.27 km) |
| Greenock to Pleasant View (Utah) | 4,491.49 mi (7,228.36 km) |
| Greenock to Pleasanton (California) | 4,994.41 mi (8,037.73 km) |
| Greenock to Pleasanton (Texas) | 4,720.72 mi (7,597.26 km) |
| Greenock to Pleasantville (New Jersey) | 3,282.12 mi (5,282.06 km) |
| Greenock to Plover (Wisconsin) | 3,587.40 mi (5,773.37 km) |
| Greenock to Plum (Pennsylvania) | 3,425.42 mi (5,512.68 km) |
| Greenock to Plymouth (Indiana) | 3,625.67 mi (5,834.95 km) |
| Greenock to Plymouth (Minnesota) | 3,695.10 mi (5,946.70 km) |
| Greenock to Pocatello (Idaho) | 4,419.37 mi (7,112.29 km) |
| Greenock to Poinciana (Florida) | 4,127.32 mi (6,642.29 km) |
