| Chicago to Ayamonte | 4,130.01 mi (6,646.61 km) |
| Chicago to Azcoitia | 4,144.55 mi (6,670.01 km) |
| Chicago to Azpeitia | 4,146.41 mi (6,673.01 km) |
| Chicago to Azuqueca de Henares | 4,196.53 mi (6,753.67 km) |
| Chicago to Badajoz | 4,089.14 mi (6,580.83 km) |
| Chicago to Badalona | 4,405.18 mi (7,089.45 km) |
| Chicago to Baena | 4,257.73 mi (6,852.16 km) |
| Chicago to Baeza | 4,283.00 mi (6,892.83 km) |
| Chicago to Bailen | 4,265.54 mi (6,864.72 km) |
| Chicago to Balaguer | 4,330.04 mi (6,968.52 km) |
| Chicago to Banolas | 4,401.62 mi (7,083.72 km) |
| Chicago to Baranain | 4,185.96 mi (6,736.65 km) |
| Chicago to Barbadanes | 3,928.65 mi (6,322.55 km) |
| Chicago to Barbastro | 4,291.49 mi (6,906.48 km) |
| Chicago to Barcelona | 4,404.70 mi (7,088.69 km) |
