| Grayslake to Ayamonte | 4,131.71 mi (6,649.34 km) |
| Grayslake to Azcoitia | 4,140.64 mi (6,663.71 km) |
| Grayslake to Azpeitia | 4,142.48 mi (6,666.69 km) |
| Grayslake to Azuqueca de Henares | 4,194.65 mi (6,750.64 km) |
| Grayslake to Badajoz | 4,089.57 mi (6,581.52 km) |
| Grayslake to Badalona | 4,401.00 mi (7,082.72 km) |
| Grayslake to Baena | 4,258.12 mi (6,852.79 km) |
| Grayslake to Baeza | 4,282.87 mi (6,892.62 km) |
| Grayslake to Bailen | 4,265.44 mi (6,864.57 km) |
| Grayslake to Balaguer | 4,326.08 mi (6,962.15 km) |
| Grayslake to Banolas | 4,396.84 mi (7,076.03 km) |
| Grayslake to Baranain | 4,182.11 mi (6,730.45 km) |
| Grayslake to Barbadanes | 3,926.99 mi (6,319.88 km) |
| Grayslake to Barbastro | 4,287.59 mi (6,900.20 km) |
| Grayslake to Barcelona | 4,400.57 mi (7,082.04 km) |
