| Greenock to Centralia (Illinois) | 3,869.66 mi (6,227.61 km) |
| Greenock to Centralia (Washington) | 4,494.62 mi (7,233.39 km) |
| Greenock to Centreville (Virginia) | 3,419.88 mi (5,503.77 km) |
| Greenock to Ceres (California) | 4,972.17 mi (8,001.93 km) |
| Greenock to Cerritos (California) | 5,103.95 mi (8,214.01 km) |
| Greenock to Chalco (Nebraska) | 3,981.40 mi (6,407.44 km) |
| Greenock to Chalmette (Louisiana) | 4,352.12 mi (7,004.06 km) |
| Greenock to Chambersburg (Pennsylvania) | 3,374.67 mi (5,431.00 km) |
| Greenock to Chamblee (Georgia) | 3,930.23 mi (6,325.09 km) |
| Greenock to Champaign (Illinois) | 3,758.04 mi (6,047.97 km) |
| Greenock to Champlin (Minnesota) | 3,685.36 mi (5,931.01 km) |
| Greenock to Chandler (Arizona) | 4,940.80 mi (7,951.45 km) |
| Greenock to Chanhassen (Minnesota) | 3,706.85 mi (5,965.60 km) |
| Greenock to Channahon (Illinois) | 3,692.05 mi (5,941.78 km) |
| Greenock to Channelview (Texas) | 4,551.66 mi (7,325.19 km) |
