Cities near União
- José de Freitas (~37 km)
- Coelho Neto (~41 km)
- Miguel Alves (~46 km)
- Teresina (~56 km)
- Timon (~57 km)
- Caxias (~63 km)
- Altos (~67 km)
- Campo Maior (~81 km)
- Demerval Lobão (~89 km)
- São João do Arraial (~98 km)
- Brejo (~103 km)
- Alto Longá (~103 km)
- Esperantina (~104 km)
- Anapurus (~105 km)
- Batalha (~107 km)
- Chapadinha (~109 km)