| Kouvola to Bistrita | 953.06 mi (1,533.80 km) |
| Kouvola to Blaj | 1,021.39 mi (1,643.77 km) |
| Kouvola to Bocsa | 1,089.56 mi (1,753.48 km) |
| Kouvola to Boldesti-Scaeni | 1,094.65 mi (1,761.67 km) |
| Kouvola to Bolintin Vale | 1,135.24 mi (1,826.99 km) |
| Kouvola to Borsa | 916.51 mi (1,474.98 km) |
| Kouvola to Botosani | 906.47 mi (1,458.82 km) |
| Kouvola to Brad | 1,030.52 mi (1,658.46 km) |
| Kouvola to Bragadiru | 1,140.25 mi (1,835.05 km) |
| Kouvola to Braila | 1,078.99 mi (1,736.46 km) |
| Kouvola to Brasov | 1,051.24 mi (1,691.81 km) |
| Kouvola to Breaza | 1,084.28 mi (1,744.97 km) |
| Kouvola to Bucharest | 1,135.86 mi (1,827.98 km) |
| Kouvola to Buftea | 1,126.51 mi (1,812.95 km) |
| Kouvola to Buhusi | 977.88 mi (1,573.75 km) |
