| Southborough to Firestone (Colorado) | 4,690.24 mi (7,548.22 km) |
| Southborough to Fish Hawk (Florida) | 4,430.49 mi (7,130.19 km) |
| Southborough to Fishers (Indiana) | 3,998.46 mi (6,434.90 km) |
| Southborough to Fitchburg (Massachusetts) | 3,316.18 mi (5,336.88 km) |
| Southborough to Fitchburg (Wisconsin) | 3,990.47 mi (6,422.04 km) |
| Southborough to Five Corners (Washington) | 4,929.89 mi (7,933.89 km) |
| Southborough to Five Forks (South Carolina) | 4,091.04 mi (6,583.90 km) |
| Southborough to Flagstaff (Arizona) | 5,186.21 mi (8,346.40 km) |
| Southborough to Flat Rock (Michigan) | 3,795.35 mi (6,108.02 km) |
| Southborough to Fleming Island (Florida) | 4,297.83 mi (6,916.69 km) |
| Southborough to Flint (Michigan) | 3,770.43 mi (6,067.91 km) |
| Southborough to Floral Park (New York) | 3,472.05 mi (5,587.72 km) |
| Southborough to Florence (Alabama) | 4,310.72 mi (6,937.43 km) |
| Southborough to Florence (Arizona) | 5,296.96 mi (8,524.64 km) |
| Southborough to Florence (Kentucky) | 3,991.62 mi (6,423.89 km) |
