| Formia to Bingol | 1,425.12 mi (2,293.52 km) |
| Formia to Birecik | 1,333.10 mi (2,145.41 km) |
| Formia to Bitlis | 1,517.71 mi (2,442.51 km) |
| Formia to Bodrum | 794.28 mi (1,278.27 km) |
| Formia to Bogazliyan | 1,146.93 mi (1,845.80 km) |
| Formia to Bolu | 937.17 mi (1,508.23 km) |
| Formia to Bolvadin | 937.82 mi (1,509.27 km) |
| Formia to Bor | 1,136.98 mi (1,829.79 km) |
| Formia to Borcka | 1,449.90 mi (2,333.39 km) |
| Formia to Boyabat | 1,094.28 mi (1,761.08 km) |
| Formia to Bozdogan | 820.91 mi (1,321.13 km) |
| Formia to Bozkir | 1,033.80 mi (1,663.75 km) |
| Formia to Bozkurt | 883.75 mi (1,422.25 km) |
| Formia to Bozuyuk | 865.36 mi (1,392.66 km) |
| Formia to Bucak | 942.59 mi (1,516.95 km) |
