| Middlesex to Frederick (Colorado) | 1,596.85 mi (2,569.88 km) |
| Middlesex to Frederick (Maryland) | 173.14 mi (278.64 km) |
| Middlesex to Fredericksburg (Texas) | 1,538.92 mi (2,476.66 km) |
| Middlesex to Fredericksburg (Virginia) | 223.81 mi (360.19 km) |
| Middlesex to Frederickson (Washington) | 2,388.94 mi (3,844.63 km) |
| Middlesex to Freeport (Illinois) | 791.77 mi (1,274.22 km) |
| Middlesex to Freeport (New York) | 48.34 mi (77.80 km) |
| Middlesex to Freeport (Texas) | 1,425.01 mi (2,293.33 km) |
| Middlesex to Fremont (California) | 2,525.64 mi (4,064.63 km) |
| Middlesex to Fremont (Nebraska) | 1,144.83 mi (1,842.43 km) |
| Middlesex to Fremont (Ohio) | 452.43 mi (728.11 km) |
| Middlesex to French Valley (California) | 2,373.42 mi (3,819.65 km) |
| Middlesex to Fresno (California) | 2,430.13 mi (3,910.92 km) |
| Middlesex to Fresno (Texas) | 1,404.36 mi (2,260.09 km) |
| Middlesex to Fridley (Minnesota) | 997.58 mi (1,605.45 km) |
