| Boulder to Exeter (California) | 796.57 mi (1,281.96 km) |
| Boulder to Fair Lawn (New Jersey) | 1,628.81 mi (2,621.31 km) |
| Boulder to Fair Oaks (California) | 858.95 mi (1,382.34 km) |
| Boulder to Fair Oaks (Virginia) | 1,484.38 mi (2,388.88 km) |
| Boulder to Fairbanks (Alaska) | 2,394.83 mi (3,854.11 km) |
| Boulder to Fairborn (Ohio) | 1,123.22 mi (1,807.65 km) |
| Boulder to Fairburn (Georgia) | 1,224.08 mi (1,969.96 km) |
| Boulder to Fairfax (Virginia) | 1,487.66 mi (2,394.16 km) |
| Boulder to Fairfax Station (Virginia) | 1,486.61 mi (2,392.47 km) |
| Boulder to Fairfield (California) | 906.13 mi (1,458.28 km) |
| Boulder to Fairfield (Ohio) | 1,099.96 mi (1,770.21 km) |
| Boulder to Fairhope (Alabama) | 1,176.17 mi (1,892.86 km) |
| Boulder to Fairland (Maryland) | 1,502.70 mi (2,418.36 km) |
| Boulder to Fairmont (Minnesota) | 608.55 mi (979.37 km) |
| Boulder to Fairmont (West Virginia) | 1,329.63 mi (2,139.84 km) |
