| Giffnock to Iselin (New Jersey) | 3,237.64 mi (5,210.47 km) |
| Giffnock to Isla Vista (California) | 5,146.95 mi (8,283.22 km) |
| Giffnock to Issaquah (Washington) | 4,442.97 mi (7,150.27 km) |
| Giffnock to Ithaca (New York) | 3,231.50 mi (5,200.59 km) |
| Giffnock to Ives Estates (Florida) | 4,212.44 mi (6,779.26 km) |
| Giffnock to Jackson (Michigan) | 3,532.88 mi (5,685.62 km) |
| Giffnock to Jackson (Mississippi) | 4,254.54 mi (6,847.02 km) |
| Giffnock to Jackson (Missouri) | 3,968.23 mi (6,386.25 km) |
| Giffnock to Jackson (Tennessee) | 4,027.69 mi (6,481.94 km) |
| Giffnock to Jackson (Wyoming) | 4,355.66 mi (7,009.75 km) |
| Giffnock to Jacksonville (Alabama) | 4,008.99 mi (6,451.85 km) |
| Giffnock to Jacksonville (Arkansas) | 4,189.25 mi (6,741.94 km) |
| Giffnock to Jacksonville (Florida) | 4,036.42 mi (6,495.99 km) |
| Giffnock to Jacksonville (Illinois) | 3,868.75 mi (6,226.15 km) |
| Giffnock to Jacksonville (North Carolina) | 3,643.71 mi (5,863.98 km) |
