| Oro Valley to Bicaz | 6,339.84 mi (10,202.99 km) |
| Oro Valley to Bistrita | 6,283.62 mi (10,112.51 km) |
| Oro Valley to Blaj | 6,320.29 mi (10,171.52 km) |
| Oro Valley to Bocsa | 6,299.40 mi (10,137.91 km) |
| Oro Valley to Boldesti-Scaeni | 6,444.39 mi (10,371.25 km) |
| Oro Valley to Bolintin Vale | 6,469.51 mi (10,411.67 km) |
| Oro Valley to Borsa | 6,259.04 mi (10,072.95 km) |
| Oro Valley to Botosani | 6,307.85 mi (10,151.51 km) |
| Oro Valley to Brad | 6,290.31 mi (10,123.27 km) |
| Oro Valley to Bragadiru | 6,480.03 mi (10,428.61 km) |
| Oro Valley to Braila | 6,483.95 mi (10,434.92 km) |
| Oro Valley to Brasov | 6,396.90 mi (10,294.82 km) |
| Oro Valley to Breaza | 6,425.16 mi (10,340.29 km) |
| Oro Valley to Bucharest | 6,480.22 mi (10,428.91 km) |
| Oro Valley to Buftea | 6,468.09 mi (10,409.38 km) |
