| Giffnock to Frederick (Maryland) | 3,409.81 mi (5,487.56 km) |
| Giffnock to Fredericksburg (Texas) | 4,683.32 mi (7,537.08 km) |
| Giffnock to Fredericksburg (Virginia) | 3,468.21 mi (5,581.54 km) |
| Giffnock to Frederickson (Washington) | 4,477.14 mi (7,205.26 km) |
| Giffnock to Freeport (Illinois) | 3,718.57 mi (5,984.47 km) |
| Giffnock to Freeport (New York) | 3,205.90 mi (5,159.40 km) |
| Giffnock to Freeport (Texas) | 4,627.39 mi (7,447.06 km) |
| Giffnock to Fremont (California) | 5,025.83 mi (8,088.29 km) |
| Giffnock to Fremont (Nebraska) | 4,000.97 mi (6,438.93 km) |
| Giffnock to Fremont (Ohio) | 3,529.03 mi (5,679.43 km) |
| Giffnock to French Valley (California) | 5,110.45 mi (8,224.48 km) |
| Giffnock to Fresno (California) | 5,005.98 mi (8,056.34 km) |
| Giffnock to Fresno (Texas) | 4,599.15 mi (7,401.61 km) |
| Giffnock to Fridley (Minnesota) | 3,705.97 mi (5,964.19 km) |
| Giffnock to Friendly (Maryland) | 3,425.69 mi (5,513.11 km) |
