| Greenock to Pittsburg (Kansas) | 4,127.72 mi (6,642.93 km) |
| Greenock to Pittsburgh (Pennsylvania) | 3,436.93 mi (5,531.21 km) |
| Greenock to Pittsfield (Massachusetts) | 3,089.10 mi (4,971.42 km) |
| Greenock to Placentia (California) | 5,096.64 mi (8,202.24 km) |
| Greenock to Placerville (California) | 4,900.92 mi (7,887.27 km) |
| Greenock to Plainfield (Illinois) | 3,680.87 mi (5,923.78 km) |
| Greenock to Plainfield (Indiana) | 3,709.95 mi (5,970.58 km) |
| Greenock to Plainfield (New Jersey) | 3,219.31 mi (5,180.97 km) |
| Greenock to Plainview (New York) | 3,175.56 mi (5,110.57 km) |
| Greenock to Plainview (Texas) | 4,548.19 mi (7,319.60 km) |
| Greenock to Plano (Illinois) | 3,689.02 mi (5,936.90 km) |
| Greenock to Plano (Texas) | 4,434.06 mi (7,135.93 km) |
| Greenock to Plant City (Florida) | 4,157.62 mi (6,691.04 km) |
| Greenock to Plantation (Florida) | 4,187.78 mi (6,739.58 km) |
| Greenock to Platteville (Wisconsin) | 3,705.45 mi (5,963.34 km) |
