| Ottawa to Borsbeek | 4,201.24 mi (6,761.24 km) |
| Ottawa to Boussu | 4,202.64 mi (6,763.50 km) |
| Ottawa to Braine-l'Alleud | 4,215.53 mi (6,784.24 km) |
| Ottawa to Braine-le-Chateau | 4,211.49 mi (6,777.74 km) |
| Ottawa to Braine-le-Comte | 4,209.44 mi (6,774.44 km) |
| Ottawa to Brasschaat | 4,198.17 mi (6,756.30 km) |
| Ottawa to Brecht | 4,201.48 mi (6,761.64 km) |
| Ottawa to Bredene | 4,143.78 mi (6,668.78 km) |
| Ottawa to Bree | 4,244.39 mi (6,830.68 km) |
| Ottawa to Bruges | 4,153.95 mi (6,685.14 km) |
| Ottawa to Brussels | 4,208.90 mi (6,773.57 km) |
| Ottawa to Buggenhout | 4,197.76 mi (6,755.65 km) |
| Ottawa to Chapelle-lez-Herlaimont | 4,219.83 mi (6,791.16 km) |
| Ottawa to Charleroi | 4,227.86 mi (6,804.09 km) |
| Ottawa to Chatelet | 4,231.01 mi (6,809.15 km) |
