| Boston to Alesd | 1,070.39 mi (1,722.62 km) |
| Boston to Alexandria | 1,307.81 mi (2,104.72 km) |
| Boston to Arad | 1,059.57 mi (1,705.22 km) |
| Boston to Avrig | 1,199.80 mi (1,930.89 km) |
| Boston to Babadag | 1,407.57 mi (2,265.27 km) |
| Boston to Bacau | 1,271.28 mi (2,045.93 km) |
| Boston to Baia Mare | 1,097.99 mi (1,767.05 km) |
| Boston to Baia-Sprie | 1,103.20 mi (1,775.42 km) |
| Boston to Baicoi | 1,285.40 mi (2,068.65 km) |
| Boston to Bailesti | 1,227.47 mi (1,975.43 km) |
| Boston to Bals | 1,243.18 mi (2,000.70 km) |
| Boston to Baraolt | 1,235.62 mi (1,988.54 km) |
| Boston to Barlad | 1,314.93 mi (2,116.17 km) |
| Boston to Beclean | 1,138.67 mi (1,832.51 km) |
| Boston to Beius | 1,083.13 mi (1,743.13 km) |
