| Napa to Badger (Alaska) | 2,093.58 mi (3,369.28 km) |
| Napa to Bailey's Crossroads (Virginia) | 2,414.87 mi (3,886.35 km) |
| Napa to Bainbridge (Georgia) | 2,189.56 mi (3,523.76 km) |
| Napa to Bainbridge Island (Washington) | 645.89 mi (1,039.46 km) |
| Napa to Baker (Louisiana) | 1,842.97 mi (2,965.97 km) |
| Napa to Bakersfield (California) | 271.99 mi (437.73 km) |
| Napa to Balch Springs (Texas) | 1,489.81 mi (2,397.62 km) |
| Napa to Baldwin (New York) | 2,568.74 mi (4,133.98 km) |
| Napa to Baldwin (Pennsylvania) | 2,245.29 mi (3,613.45 km) |
| Napa to Baldwin Park (California) | 378.14 mi (608.55 km) |
| Napa to Ballenger Creek (Maryland) | 2,391.28 mi (3,848.39 km) |
| Napa to Ballwin (Missouri) | 1,709.62 mi (2,751.37 km) |
| Napa to Baltimore (Maryland) | 2,434.42 mi (3,917.83 km) |
| Napa to Bangor (Maine) | 2,752.19 mi (4,429.22 km) |
| Napa to Banning (California) | 425.62 mi (684.96 km) |
