| South Portland to Blansko | 3,918.45 mi (6,306.14 km) |
| South Portland to Bohumin | 3,965.61 mi (6,382.03 km) |
| South Portland to Boskovice | 3,914.80 mi (6,300.26 km) |
| South Portland to Brandys nad Labem-Stara Boleslav | 3,813.63 mi (6,137.44 km) |
| South Portland to Breclav | 3,948.90 mi (6,355.14 km) |
| South Portland to Brevnov | 3,805.10 mi (6,123.71 km) |
| South Portland to Brno | 3,923.03 mi (6,313.50 km) |
| South Portland to Bruntal | 3,928.47 mi (6,322.25 km) |
| South Portland to Bystrc | 3,918.62 mi (6,306.40 km) |
| South Portland to Caslav | 3,851.17 mi (6,197.86 km) |
| South Portland to Celakovice | 3,817.80 mi (6,144.15 km) |
| South Portland to Ceska Lipa | 3,792.24 mi (6,103.03 km) |
| South Portland to Ceska Trebova | 3,892.27 mi (6,264.00 km) |
| South Portland to Ceske Budejovice | 3,846.64 mi (6,190.57 km) |
| South Portland to Cesky Krumlov | 3,845.84 mi (6,189.28 km) |
