| Duluth to Benisa | 4,435.47 mi (7,138.19 km) |
| Duluth to Berga | 4,356.34 mi (7,010.85 km) |
| Duluth to Berja | 4,394.13 mi (7,071.67 km) |
| Duluth to Bermeo | 4,118.36 mi (6,627.86 km) |
| Duluth to Berriozar | 4,185.12 mi (6,735.30 km) |
| Duluth to Betanzos | 3,902.14 mi (6,279.88 km) |
| Duluth to Betera | 4,375.21 mi (7,041.22 km) |
| Duluth to Bilbao | 4,117.34 mi (6,626.22 km) |
| Duluth to Binefar | 4,306.27 mi (6,930.28 km) |
| Duluth to Binisalem | 4,504.22 mi (7,248.84 km) |
| Duluth to Blanes | 4,412.51 mi (7,101.26 km) |
| Duluth to Boadilla del Monte | 4,199.64 mi (6,758.66 km) |
| Duluth to Boiro | 3,898.77 mi (6,274.46 km) |
| Duluth to Bolanos de Calatrava | 4,272.03 mi (6,875.18 km) |
| Duluth to Bollullos de la Mitacion | 4,237.17 mi (6,819.07 km) |
