| Rock Island to Ayamonte | 4,275.90 mi (6,881.40 km) |
| Rock Island to Azcoitia | 4,283.09 mi (6,892.97 km) |
| Rock Island to Azpeitia | 4,284.93 mi (6,895.93 km) |
| Rock Island to Azuqueca de Henares | 4,338.07 mi (6,981.46 km) |
| Rock Island to Badajoz | 4,233.62 mi (6,813.36 km) |
| Rock Island to Badalona | 4,543.28 mi (7,311.70 km) |
| Rock Island to Baena | 4,402.17 mi (7,084.61 km) |
| Rock Island to Baeza | 4,426.82 mi (7,124.28 km) |
| Rock Island to Bailen | 4,409.40 mi (7,096.24 km) |
| Rock Island to Balaguer | 4,468.50 mi (7,191.36 km) |
| Rock Island to Banolas | 4,538.75 mi (7,304.41 km) |
| Rock Island to Baranain | 4,324.59 mi (6,959.76 km) |
| Rock Island to Barbadanes | 4,070.51 mi (6,550.84 km) |
| Rock Island to Barbastro | 4,430.04 mi (7,129.46 km) |
| Rock Island to Barcelona | 4,542.89 mi (7,311.07 km) |
