| Gretz-Armainvilliers to Bistrita | 1,010.13 mi (1,625.64 km) |
| Gretz-Armainvilliers to Blaj | 1,001.81 mi (1,612.26 km) |
| Gretz-Armainvilliers to Bocsa | 920.33 mi (1,481.13 km) |
| Gretz-Armainvilliers to Boldesti-Scaeni | 1,124.78 mi (1,810.16 km) |
| Gretz-Armainvilliers to Bolintin Vale | 1,127.79 mi (1,815.00 km) |
| Gretz-Armainvilliers to Borsa | 1,009.20 mi (1,624.15 km) |
| Gretz-Armainvilliers to Botosani | 1,098.91 mi (1,768.53 km) |
| Gretz-Armainvilliers to Brad | 951.62 mi (1,531.49 km) |
| Gretz-Armainvilliers to Bragadiru | 1,139.75 mi (1,834.26 km) |
| Gretz-Armainvilliers to Braila | 1,206.55 mi (1,941.75 km) |
| Gretz-Armainvilliers to Brasov | 1,090.58 mi (1,755.11 km) |
| Gretz-Armainvilliers to Breaza | 1,104.13 mi (1,776.92 km) |
| Gretz-Armainvilliers to Bucharest | 1,143.89 mi (1,840.92 km) |
| Gretz-Armainvilliers to Buftea | 1,133.18 mi (1,823.68 km) |
| Gretz-Armainvilliers to Buhusi | 1,118.07 mi (1,799.36 km) |
