| Sumner to Bilecik | 6,163.58 mi (9,919.33 km) |
| Sumner to Bingol | 6,393.07 mi (10,288.65 km) |
| Sumner to Birecik | 6,488.87 mi (10,442.83 km) |
| Sumner to Bitlis | 6,442.73 mi (10,368.57 km) |
| Sumner to Bodrum | 6,320.58 mi (10,171.99 km) |
| Sumner to Bogazliyan | 6,307.19 mi (10,150.44 km) |
| Sumner to Bolu | 6,151.08 mi (9,899.21 km) |
| Sumner to Bolvadin | 6,275.02 mi (10,098.67 km) |
| Sumner to Bor | 6,384.84 mi (10,275.41 km) |
| Sumner to Borcka | 6,237.31 mi (10,037.97 km) |
| Sumner to Boyabat | 6,149.19 mi (9,896.17 km) |
| Sumner to Bozdogan | 6,295.78 mi (10,132.08 km) |
| Sumner to Bozkir | 6,395.25 mi (10,292.16 km) |
| Sumner to Bozkurt | 6,309.75 mi (10,154.56 km) |
| Sumner to Bozuyuk | 6,179.97 mi (9,945.70 km) |
