| Greenock to Columbia (Illinois) | 3,912.55 mi (6,296.64 km) |
| Greenock to Columbia (Maryland) | 3,380.23 mi (5,439.95 km) |
| Greenock to Columbia (Missouri) | 3,963.21 mi (6,378.17 km) |
| Greenock to Columbia (Pennsylvania) | 3,325.87 mi (5,352.47 km) |
| Greenock to Columbia (South Carolina) | 3,793.58 mi (6,105.18 km) |
| Greenock to Columbia (Tennessee) | 3,942.70 mi (6,345.17 km) |
| Greenock to Columbia Heights (Minnesota) | 3,686.52 mi (5,932.88 km) |
| Greenock to Columbine (Colorado) | 4,366.97 mi (7,027.95 km) |
| Greenock to Columbus (Georgia) | 4,023.89 mi (6,475.83 km) |
| Greenock to Columbus (Indiana) | 3,717.77 mi (5,983.17 km) |
| Greenock to Columbus (Mississippi) | 4,103.91 mi (6,604.60 km) |
| Greenock to Columbus (Nebraska) | 4,010.08 mi (6,453.60 km) |
| Greenock to Columbus (Ohio) | 3,570.97 mi (5,746.92 km) |
| Greenock to Commack (New York) | 3,165.48 mi (5,094.35 km) |
| Greenock to Commerce (California) | 5,099.00 mi (8,206.05 km) |
