| Giffnock to Cloverly (Maryland) | 3,410.08 mi (5,487.99 km) |
| Giffnock to Clovis (California) | 5,000.09 mi (8,046.87 km) |
| Giffnock to Clovis (New Mexico) | 4,606.32 mi (7,413.15 km) |
| Giffnock to Clute (Texas) | 4,624.37 mi (7,442.21 km) |
| Giffnock to Coachella (California) | 5,075.16 mi (8,167.68 km) |
| Giffnock to Coalinga (California) | 5,059.15 mi (8,141.91 km) |
| Giffnock to Coamo (Puerto Rico) | 4,113.97 mi (6,620.80 km) |
| Giffnock to Coatesville (Pennsylvania) | 3,322.72 mi (5,347.39 km) |
| Giffnock to Cockeysville (Maryland) | 3,377.82 mi (5,436.08 km) |
| Giffnock to Cocoa (Florida) | 4,105.11 mi (6,606.54 km) |
| Giffnock to Cocoa Beach (Florida) | 4,102.34 mi (6,602.08 km) |
| Giffnock to Coconut Creek (Florida) | 4,195.36 mi (6,751.79 km) |
| Giffnock to Coeur d'Alene (Idaho) | 4,294.49 mi (6,911.32 km) |
| Giffnock to Cohoes (New York) | 3,111.12 mi (5,006.86 km) |
| Giffnock to Cold Springs (Nevada) | 4,841.50 mi (7,791.64 km) |
