| Colonia to Bicaz | 4,668.92 mi (7,513.90 km) |
| Colonia to Bistrita | 4,599.04 mi (7,401.45 km) |
| Colonia to Blaj | 4,614.43 mi (7,426.20 km) |
| Colonia to Bocsa | 4,558.57 mi (7,336.31 km) |
| Colonia to Boldesti-Scaeni | 4,743.66 mi (7,634.18 km) |
| Colonia to Bolintin Vale | 4,756.99 mi (7,655.63 km) |
| Colonia to Borsa | 4,584.56 mi (7,378.13 km) |
| Colonia to Botosani | 4,656.67 mi (7,494.18 km) |
| Colonia to Brad | 4,572.07 mi (7,358.03 km) |
| Colonia to Bragadiru | 4,768.76 mi (7,674.57 km) |
| Colonia to Braila | 4,808.52 mi (7,738.57 km) |
| Colonia to Brasov | 4,701.38 mi (7,566.13 km) |
| Colonia to Breaza | 4,722.78 mi (7,600.59 km) |
| Colonia to Bucharest | 4,771.29 mi (7,678.65 km) |
| Colonia to Buftea | 4,759.52 mi (7,659.71 km) |
