| Sremska Mitrovica to Bicaz | 338.80 mi (545.25 km) |
| Sremska Mitrovica to Bistrita | 277.89 mi (447.22 km) |
| Sremska Mitrovica to Blaj | 224.07 mi (360.61 km) |
| Sremska Mitrovica to Bocsa | 105.95 mi (170.51 km) |
| Sremska Mitrovica to Boldesti-Scaeni | 313.48 mi (504.50 km) |
| Sremska Mitrovica to Bolintin Vale | 303.81 mi (488.93 km) |
| Sremska Mitrovica to Borsa | 304.07 mi (489.35 km) |
| Sremska Mitrovica to Botosani | 387.19 mi (623.13 km) |
| Sremska Mitrovica to Brad | 173.34 mi (278.97 km) |
| Sremska Mitrovica to Bragadiru | 315.28 mi (507.39 km) |
| Sremska Mitrovica to Braila | 407.20 mi (655.32 km) |
| Sremska Mitrovica to Brasov | 295.58 mi (475.69 km) |
| Sremska Mitrovica to Breaza | 295.47 mi (475.52 km) |
| Sremska Mitrovica to Bucharest | 320.86 mi (516.38 km) |
| Sremska Mitrovica to Buftea | 312.01 mi (502.14 km) |
