| South Portland to Brie-Comte-Robert | 3,371.16 mi (5,425.35 km) |
| South Portland to Brignais | 3,550.07 mi (5,713.29 km) |
| South Portland to Brignoles | 3,679.68 mi (5,921.87 km) |
| South Portland to Brive-la-Gaillarde | 3,425.12 mi (5,512.20 km) |
| South Portland to Bron | 3,554.95 mi (5,721.13 km) |
| South Portland to Bruay-sur-l'Escaut | 3,364.07 mi (5,413.95 km) |
| South Portland to Bruges | 3,338.26 mi (5,372.41 km) |
| South Portland to Brumath | 3,581.54 mi (5,763.93 km) |
| South Portland to Brunoy | 3,366.53 mi (5,417.91 km) |
| South Portland to Bruz | 3,203.57 mi (5,155.65 km) |
| South Portland to Bry-sur-Marne | 3,363.41 mi (5,412.89 km) |
| South Portland to Bully-les-Mines | 3,329.68 mi (5,358.60 km) |
| South Portland to Bures-sur-Yvette | 3,352.17 mi (5,394.79 km) |
| South Portland to Bussy-Saint-Georges | 3,370.75 mi (5,424.70 km) |
| South Portland to Buxerolles | 3,332.05 mi (5,362.41 km) |
