| Giffnock to Commerce City (Colorado) | 4,365.29 mi (7,025.26 km) |
| Giffnock to Compton (California) | 5,127.89 mi (8,252.54 km) |
| Giffnock to Comstock Park (Michigan) | 3,540.12 mi (5,697.28 km) |
| Giffnock to Concord (California) | 5,000.05 mi (8,046.80 km) |
| Giffnock to Concord (Missouri) | 3,935.54 mi (6,333.63 km) |
| Giffnock to Concord (New Hampshire) | 3,008.95 mi (4,842.44 km) |
| Giffnock to Concord (North Carolina) | 3,733.70 mi (6,008.81 km) |
| Giffnock to Conneaut (Ohio) | 3,407.37 mi (5,483.62 km) |
| Giffnock to Connersville (Indiana) | 3,687.19 mi (5,933.96 km) |
| Giffnock to Conroe (Texas) | 4,556.63 mi (7,333.19 km) |
| Giffnock to Converse (Texas) | 4,704.45 mi (7,571.07 km) |
| Giffnock to Conway (Arkansas) | 4,191.32 mi (6,745.28 km) |
| Giffnock to Conway (Florida) | 4,120.74 mi (6,631.69 km) |
| Giffnock to Conway (South Carolina) | 3,752.43 mi (6,038.95 km) |
| Giffnock to Conyers (Georgia) | 3,950.18 mi (6,357.20 km) |
