| Sun Prairie to Bicaz | 5,067.42 mi (8,155.23 km) |
| Sun Prairie to Bistrita | 5,004.34 mi (8,053.71 km) |
| Sun Prairie to Blaj | 5,032.08 mi (8,098.35 km) |
| Sun Prairie to Bocsa | 4,995.90 mi (8,040.12 km) |
| Sun Prairie to Boldesti-Scaeni | 5,159.99 mi (8,304.20 km) |
| Sun Prairie to Bolintin Vale | 5,180.20 mi (8,336.73 km) |
| Sun Prairie to Borsa | 4,983.94 mi (8,020.87 km) |
| Sun Prairie to Botosani | 5,043.96 mi (8,117.47 km) |
| Sun Prairie to Brad | 4,996.35 mi (8,040.85 km) |
| Sun Prairie to Bragadiru | 5,191.40 mi (8,354.76 km) |
| Sun Prairie to Braila | 5,211.41 mi (8,386.95 km) |
| Sun Prairie to Brasov | 5,114.21 mi (8,230.53 km) |
| Sun Prairie to Breaza | 5,139.79 mi (8,271.69 km) |
| Sun Prairie to Bucharest | 5,192.63 mi (8,356.73 km) |
| Sun Prairie to Buftea | 5,180.51 mi (8,337.22 km) |
