| Mission to Ayamonte | 5,195.90 mi (8,361.99 km) |
| Mission to Azcoitia | 5,285.02 mi (8,505.43 km) |
| Mission to Azpeitia | 5,287.05 mi (8,508.68 km) |
| Mission to Azuqueca de Henares | 5,311.59 mi (8,548.17 km) |
| Mission to Badajoz | 5,174.24 mi (8,327.14 km) |
| Mission to Badalona | 5,546.38 mi (8,926.04 km) |
| Mission to Baena | 5,340.96 mi (8,595.44 km) |
| Mission to Baeza | 5,373.32 mi (8,647.52 km) |
| Mission to Bailen | 5,355.59 mi (8,618.99 km) |
| Mission to Balaguer | 5,469.28 mi (8,801.96 km) |
| Mission to Banolas | 5,549.70 mi (8,931.38 km) |
| Mission to Baranain | 5,325.34 mi (8,570.31 km) |
| Mission to Barbadanes | 5,044.00 mi (8,117.53 km) |
| Mission to Barbastro | 5,430.46 mi (8,739.48 km) |
| Mission to Barcelona | 5,545.33 mi (8,924.35 km) |
