| Mason City to Bois-Colombes | 4,282.27 mi (6,891.65 km) |
| Mason City to Bois-d'Arcy | 4,277.97 mi (6,884.73 km) |
| Mason City to Bois-Guillaume | 4,217.91 mi (6,788.07 km) |
| Mason City to Boissy-Saint-Leger | 4,297.88 mi (6,916.76 km) |
| Mason City to Bolbec | 4,189.83 mi (6,742.87 km) |
| Mason City to Bollene | 4,566.63 mi (7,349.28 km) |
| Mason City to Bondoufle | 4,298.45 mi (6,917.69 km) |
| Mason City to Bondues | 4,242.80 mi (6,828.13 km) |
| Mason City to Bondy | 4,290.88 mi (6,905.51 km) |
| Mason City to Bonneuil-sur-Marne | 4,296.10 mi (6,913.91 km) |
| Mason City to Bonneville | 4,553.80 mi (7,328.64 km) |
| Mason City to Bordeaux | 4,332.42 mi (6,972.36 km) |
| Mason City to Borgo | 4,823.89 mi (7,763.30 km) |
| Mason City to Bouc-Bel-Air | 4,627.92 mi (7,447.91 km) |
| Mason City to Boucau | 4,347.72 mi (6,996.97 km) |
