| Krupka to Frederick (Maryland) | 4,233.91 mi (6,813.83 km) |
| Krupka to Fredericksburg (Texas) | 5,508.08 mi (8,864.39 km) |
| Krupka to Fredericksburg (Virginia) | 4,291.18 mi (6,905.99 km) |
| Krupka to Frederickson (Washington) | 5,196.70 mi (8,363.28 km) |
| Krupka to Freeport (Illinois) | 4,540.71 mi (7,307.56 km) |
| Krupka to Freeport (New York) | 4,028.22 mi (6,482.79 km) |
| Krupka to Freeport (Texas) | 5,453.85 mi (8,777.12 km) |
| Krupka to Fremont (California) | 5,778.99 mi (9,300.38 km) |
| Krupka to Fremont (Nebraska) | 4,815.96 mi (7,750.55 km) |
| Krupka to Fremont (Ohio) | 4,355.38 mi (7,009.31 km) |
| Krupka to French Valley (California) | 5,892.77 mi (9,483.50 km) |
| Krupka to Fresno (California) | 5,770.17 mi (9,286.19 km) |
| Krupka to Fresno (Texas) | 5,425.54 mi (8,731.57 km) |
| Krupka to Fridley (Minnesota) | 4,519.07 mi (7,272.74 km) |
| Krupka to Friendly (Maryland) | 4,248.73 mi (6,837.66 km) |
