| Colwyn Bay to Bicaz | 1,380.15 mi (2,221.13 km) |
| Colwyn Bay to Bistrita | 1,307.35 mi (2,103.98 km) |
| Colwyn Bay to Blaj | 1,317.26 mi (2,119.93 km) |
| Colwyn Bay to Bocsa | 1,259.06 mi (2,026.26 km) |
| Colwyn Bay to Boldesti-Scaeni | 1,446.11 mi (2,327.29 km) |
| Colwyn Bay to Bolintin Vale | 1,457.95 mi (2,346.35 km) |
| Colwyn Bay to Borsa | 1,296.71 mi (2,086.85 km) |
| Colwyn Bay to Botosani | 1,376.26 mi (2,214.88 km) |
| Colwyn Bay to Brad | 1,273.43 mi (2,049.39 km) |
| Colwyn Bay to Bragadiru | 1,469.78 mi (2,365.37 km) |
| Colwyn Bay to Braila | 1,515.45 mi (2,438.88 km) |
| Colwyn Bay to Brasov | 1,405.20 mi (2,261.44 km) |
| Colwyn Bay to Breaza | 1,425.17 mi (2,293.58 km) |
| Colwyn Bay to Bucharest | 1,472.51 mi (2,369.78 km) |
| Colwyn Bay to Buftea | 1,460.85 mi (2,351.00 km) |
