| Southborough to Alesd | 1,035.92 mi (1,667.15 km) |
| Southborough to Alexandria | 1,261.99 mi (2,030.98 km) |
| Southborough to Arad | 1,016.03 mi (1,635.14 km) |
| Southborough to Avrig | 1,161.41 mi (1,869.10 km) |
| Southborough to Babadag | 1,375.00 mi (2,212.84 km) |
| Southborough to Bacau | 1,244.22 mi (2,002.38 km) |
| Southborough to Baia Mare | 1,070.73 mi (1,723.17 km) |
| Southborough to Baia-Sprie | 1,076.15 mi (1,731.89 km) |
| Southborough to Baicoi | 1,246.84 mi (2,006.59 km) |
| Southborough to Bailesti | 1,176.60 mi (1,893.55 km) |
| Southborough to Bals | 1,196.13 mi (1,924.98 km) |
| Southborough to Baraolt | 1,202.47 mi (1,935.20 km) |
| Southborough to Barlad | 1,287.30 mi (2,071.72 km) |
| Southborough to Beclean | 1,109.34 mi (1,785.32 km) |
| Southborough to Beius | 1,045.68 mi (1,682.85 km) |
