| Giffnock to Castle Rock (Colorado) | 4,392.13 mi (7,068.46 km) |
| Giffnock to Castro Valley (California) | 5,017.31 mi (8,074.58 km) |
| Giffnock to Catalina Foothills (Arizona) | 4,985.55 mi (8,023.47 km) |
| Giffnock to Cataño (Puerto Rico) | 4,085.28 mi (6,574.62 km) |
| Giffnock to Cathedral City (California) | 5,076.74 mi (8,170.22 km) |
| Giffnock to Catonsville (Maryland) | 3,392.61 mi (5,459.88 km) |
| Giffnock to Cave Spring (Virginia) | 3,617.15 mi (5,821.24 km) |
| Giffnock to Cayce (South Carolina) | 3,823.41 mi (6,153.18 km) |
| Giffnock to Cayey (Puerto Rico) | 4,104.20 mi (6,605.08 km) |
| Giffnock to Cedar City (Utah) | 4,750.84 mi (7,645.73 km) |
| Giffnock to Cedar Falls (Iowa) | 3,806.22 mi (6,125.52 km) |
| Giffnock to Cedar Hill (Texas) | 4,487.70 mi (7,222.26 km) |
| Giffnock to Cedar Lake (Indiana) | 3,685.72 mi (5,931.59 km) |
| Giffnock to Cedar Mill (Oregon) | 4,578.80 mi (7,368.86 km) |
| Giffnock to Cedar Park (Texas) | 4,631.71 mi (7,454.01 km) |
