| Preakness to Argentona | 3,839.49 mi (6,179.07 km) |
| Preakness to Arico el Nuevo | 3,338.13 mi (5,372.19 km) |
| Preakness to Armilla | 3,692.52 mi (5,942.54 km) |
| Preakness to Arnedo | 3,611.14 mi (5,811.57 km) |
| Preakness to Arona | 3,331.84 mi (5,362.07 km) |
| Preakness to Arrecife | 3,463.83 mi (5,574.49 km) |
| Preakness to Arrigorriaga | 3,546.76 mi (5,707.95 km) |
| Preakness to Arroyomolinos | 3,583.14 mi (5,766.51 km) |
| Preakness to Arteijo | 3,282.28 mi (5,282.31 km) |
| Preakness to Arucas | 3,391.45 mi (5,458.01 km) |
| Preakness to Aspe | 3,792.15 mi (6,102.87 km) |
| Preakness to Astorga | 3,419.05 mi (5,502.43 km) |
| Preakness to Atarfe | 3,686.63 mi (5,933.05 km) |
| Preakness to Avila | 3,534.63 mi (5,688.44 km) |
| Preakness to Aviles | 3,397.50 mi (5,467.74 km) |
