| Ottawa to Blansko | 4,713.70 mi (7,585.96 km) |
| Ottawa to Bohumin | 4,749.44 mi (7,643.49 km) |
| Ottawa to Boskovice | 4,708.90 mi (7,578.24 km) |
| Ottawa to Brandys nad Labem-Stara Boleslav | 4,609.10 mi (7,417.62 km) |
| Ottawa to Breclav | 4,748.37 mi (7,641.76 km) |
| Ottawa to Brevnov | 4,602.64 mi (7,407.24 km) |
| Ottawa to Brno | 4,719.87 mi (7,595.89 km) |
| Ottawa to Bruntal | 4,715.08 mi (7,588.19 km) |
| Ottawa to Bystrc | 4,715.50 mi (7,588.87 km) |
| Ottawa to Caslav | 4,646.38 mi (7,477.63 km) |
| Ottawa to Celakovice | 4,613.22 mi (7,424.25 km) |
| Ottawa to Ceska Lipa | 4,583.71 mi (7,376.78 km) |
| Ottawa to Ceska Trebova | 4,683.58 mi (7,537.50 km) |
| Ottawa to Ceske Budejovice | 4,653.38 mi (7,488.89 km) |
| Ottawa to Cesky Krumlov | 4,654.55 mi (7,490.77 km) |
