| Momchilgrad to Frederick (Maryland) | 5,042.17 mi (8,114.59 km) |
| Momchilgrad to Fredericksburg (Texas) | 6,337.47 mi (10,199.17 km) |
| Momchilgrad to Fredericksburg (Virginia) | 5,095.96 mi (8,201.15 km) |
| Momchilgrad to Frederickson (Washington) | 6,002.54 mi (9,660.16 km) |
| Momchilgrad to Freeport (Illinois) | 5,374.05 mi (8,648.70 km) |
| Momchilgrad to Freeport (New York) | 4,832.02 mi (7,776.38 km) |
| Momchilgrad to Freeport (Texas) | 6,274.97 mi (10,098.59 km) |
| Momchilgrad to Fremont (California) | 6,600.05 mi (10,621.76 km) |
| Momchilgrad to Fremont (Nebraska) | 5,653.34 mi (9,098.17 km) |
| Momchilgrad to Fremont (Ohio) | 5,179.24 mi (8,335.17 km) |
| Momchilgrad to French Valley (California) | 6,726.05 mi (10,824.53 km) |
| Momchilgrad to Fresno (California) | 6,596.42 mi (10,615.91 km) |
| Momchilgrad to Fresno (Texas) | 6,247.96 mi (10,055.13 km) |
| Momchilgrad to Fridley (Minnesota) | 5,356.87 mi (8,621.04 km) |
| Momchilgrad to Friendly (Maryland) | 5,053.80 mi (8,133.30 km) |
