| Giffnock to Corinth (Mississippi) | 4,052.64 mi (6,522.09 km) |
| Giffnock to Corinth (Texas) | 4,461.16 mi (7,179.55 km) |
| Giffnock to Cornelius (North Carolina) | 3,738.95 mi (6,017.26 km) |
| Giffnock to Cornelius (Oregon) | 4,586.30 mi (7,380.93 km) |
| Giffnock to Corning (New York) | 3,266.18 mi (5,256.40 km) |
| Giffnock to Corona (California) | 5,109.37 mi (8,222.74 km) |
| Giffnock to Coronado (California) | 5,166.58 mi (8,314.80 km) |
| Giffnock to Corpus Christi (Texas) | 4,768.74 mi (7,674.54 km) |
| Giffnock to Corsicana (Texas) | 4,496.93 mi (7,237.11 km) |
| Giffnock to Cortland (New York) | 3,212.02 mi (5,169.25 km) |
| Giffnock to Corvallis (Oregon) | 4,647.61 mi (7,479.60 km) |
| Giffnock to Coshocton (Ohio) | 3,535.60 mi (5,690.00 km) |
| Giffnock to Costa Mesa (California) | 5,131.47 mi (8,258.31 km) |
| Giffnock to Coto de Caza (California) | 5,125.51 mi (8,248.71 km) |
| Giffnock to Cottage Grove (Minnesota) | 3,707.91 mi (5,967.30 km) |
