| Harmanli to Frederick (Maryland) | 5,044.72 mi (8,118.69 km) |
| Harmanli to Fredericksburg (Texas) | 6,335.80 mi (10,196.48 km) |
| Harmanli to Fredericksburg (Virginia) | 5,099.06 mi (8,206.15 km) |
| Harmanli to Frederickson (Washington) | 5,985.77 mi (9,633.17 km) |
| Harmanli to Freeport (Illinois) | 5,370.96 mi (8,643.72 km) |
| Harmanli to Freeport (New York) | 4,835.19 mi (7,781.49 km) |
| Harmanli to Freeport (Texas) | 6,275.38 mi (10,099.25 km) |
| Harmanli to Fremont (California) | 6,585.68 mi (10,598.62 km) |
| Harmanli to Fremont (Nebraska) | 5,648.11 mi (9,089.76 km) |
| Harmanli to Fremont (Ohio) | 5,178.86 mi (8,334.57 km) |
| Harmanli to French Valley (California) | 6,714.91 mi (10,806.60 km) |
| Harmanli to Fresno (California) | 6,583.19 mi (10,594.62 km) |
| Harmanli to Fresno (Texas) | 6,248.08 mi (10,055.32 km) |
| Harmanli to Fridley (Minnesota) | 5,351.25 mi (8,612.00 km) |
| Harmanli to Friendly (Maryland) | 5,056.84 mi (8,138.20 km) |
