| Potomac to Bellevue (Nebraska) | 999.86 mi (1,609.12 km) |
| Potomac to Bellevue (Washington) | 2,302.30 mi (3,705.19 km) |
| Potomac to Bellevue (Wisconsin) | 669.45 mi (1,077.37 km) |
| Potomac to Bellflower (California) | 2,282.89 mi (3,673.96 km) |
| Potomac to Bellingham (Washington) | 2,315.20 mi (3,725.95 km) |
| Potomac to Bellmawr (New Jersey) | 126.60 mi (203.74 km) |
| Potomac to Bellmead (Texas) | 1,229.62 mi (1,978.88 km) |
| Potomac to Bellmore (New York) | 225.16 mi (362.36 km) |
| Potomac to Bellview (Florida) | 823.04 mi (1,324.55 km) |
| Potomac to Bellwood (Illinois) | 595.10 mi (957.72 km) |
| Potomac to Belmont (California) | 2,423.60 mi (3,900.41 km) |
| Potomac to Belmont (North Carolina) | 336.93 mi (542.24 km) |
| Potomac to Beloit (Wisconsin) | 663.81 mi (1,068.29 km) |
| Potomac to Belton (Missouri) | 930.82 mi (1,498.01 km) |
| Potomac to Belton (Texas) | 1,268.77 mi (2,041.89 km) |
